CN107782692A - A kind of assay method of new washing dirt-removing power and application - Google Patents
A kind of assay method of new washing dirt-removing power and application Download PDFInfo
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- CN107782692A CN107782692A CN201710979789.3A CN201710979789A CN107782692A CN 107782692 A CN107782692 A CN 107782692A CN 201710979789 A CN201710979789 A CN 201710979789A CN 107782692 A CN107782692 A CN 107782692A
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- soiled
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- soiled cotton
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- dirt
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- 238000005406 washing Methods 0.000 title claims abstract description 67
- 238000003556 assay Methods 0.000 title claims abstract description 15
- 229920000742 Cotton Polymers 0.000 claims abstract description 111
- 238000010521 absorption reaction Methods 0.000 claims abstract description 59
- 239000004744 fabric Substances 0.000 claims abstract description 28
- 239000003599 detergent Substances 0.000 claims abstract description 27
- 238000004140 cleaning Methods 0.000 claims abstract description 22
- 241000322338 Loeseliastrum Species 0.000 claims abstract description 16
- 238000012360 testing method Methods 0.000 claims description 27
- 102000004882 Lipase Human genes 0.000 claims description 19
- 108090001060 Lipase Proteins 0.000 claims description 19
- 239000004367 Lipase Substances 0.000 claims description 19
- 235000019421 lipase Nutrition 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 12
- 102000004190 Enzymes Human genes 0.000 claims description 10
- 108090000790 Enzymes Proteins 0.000 claims description 10
- 229940088598 enzyme Drugs 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 8
- 230000002255 enzymatic effect Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 108091005804 Peptidases Proteins 0.000 claims description 5
- 239000004365 Protease Substances 0.000 claims description 5
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 claims description 5
- 239000004519 grease Substances 0.000 claims description 5
- 108010059892 Cellulase Proteins 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 229940106157 cellulase Drugs 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 239000004382 Amylase Substances 0.000 claims description 2
- 102000013142 Amylases Human genes 0.000 claims description 2
- 108010065511 Amylases Proteins 0.000 claims description 2
- 102100032487 Beta-mannosidase Human genes 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims description 2
- 235000007164 Oryza sativa Nutrition 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 235000019418 amylase Nutrition 0.000 claims description 2
- 108010055059 beta-Mannosidase Proteins 0.000 claims description 2
- 235000014121 butter Nutrition 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims description 2
- 239000010432 diamond Substances 0.000 claims description 2
- 235000013312 flour Nutrition 0.000 claims description 2
- 229910052732 germanium Inorganic materials 0.000 claims description 2
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 2
- CBEQRNSPHCCXSH-UHFFFAOYSA-N iodine monobromide Chemical compound IBr CBEQRNSPHCCXSH-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 235000019419 proteases Nutrition 0.000 claims description 2
- 235000009566 rice Nutrition 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- ADZWSOLPGZMUMY-UHFFFAOYSA-M silver bromide Chemical compound [Ag]Br ADZWSOLPGZMUMY-UHFFFAOYSA-M 0.000 claims description 2
- SDLBJIZEEMKQKY-UHFFFAOYSA-M silver chlorate Chemical compound [Ag+].[O-]Cl(=O)=O SDLBJIZEEMKQKY-UHFFFAOYSA-M 0.000 claims description 2
- 210000004243 sweat Anatomy 0.000 claims description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical group [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 2
- 229910052716 thallium Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 235000013305 food Nutrition 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 241000219146 Gossypium Species 0.000 description 93
- 238000004483 ATR-FTIR spectroscopy Methods 0.000 description 54
- 238000005202 decontamination Methods 0.000 description 28
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 25
- 238000004611 spectroscopical analysis Methods 0.000 description 25
- 239000004006 olive oil Substances 0.000 description 22
- 235000008390 olive oil Nutrition 0.000 description 22
- 230000003588 decontaminative effect Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 13
- 239000000126 substance Substances 0.000 description 12
- 238000002835 absorbance Methods 0.000 description 10
- 239000003921 oil Substances 0.000 description 10
- 235000019198 oils Nutrition 0.000 description 10
- 238000002329 infrared spectrum Methods 0.000 description 9
- 235000013555 soy sauce Nutrition 0.000 description 9
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 8
- 238000000862 absorption spectrum Methods 0.000 description 7
- 230000021615 conjugation Effects 0.000 description 6
- 210000002374 sebum Anatomy 0.000 description 6
- 238000001228 spectrum Methods 0.000 description 6
- 150000001408 amides Chemical class 0.000 description 5
- 150000001728 carbonyl compounds Chemical class 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000003595 spectral effect Effects 0.000 description 4
- 240000007817 Olea europaea Species 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000005020 polyethylene terephthalate Substances 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004445 quantitative analysis Methods 0.000 description 3
- 150000004671 saturated fatty acids Chemical class 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 101710084373 Lipase 1 Proteins 0.000 description 2
- -1 aldehyde ketone Chemical class 0.000 description 2
- 150000001336 alkenes Chemical class 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000944 linseed oil Substances 0.000 description 2
- 235000021388 linseed oil Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 235000010980 cellulose Nutrition 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000008157 edible vegetable oil Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000271 synthetic detergent Substances 0.000 description 1
- 235000021081 unsaturated fats Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3563—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing solids; Preparation of samples therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
Abstract
The present invention relates to the detection of detergent washing dirt-removing power and analysis method, and in particular to a kind of assay method of new washing dirt-removing power and application.The assay method of the new washing dirt-removing power of the present invention, comprises the following steps：(1) got to by optically denser medium on standard calico, obtain standard white cloth characteristic absorption peak；(2) got to by optically denser medium on standard soiled cloth, obtain standard soiled cloth characteristic absorption peak；(3) got to infrared beam by optically denser medium on soiled cotton to be measured, obtain soiled cotton characteristic absorption peak to be measured, then soiled cotton to be measured is cleaned, use infrared spectrometer to be got to infrared beam by optically denser medium on the soiled cotton to be measured after cleaning after cleaning again, obtain characteristic absorption peak after soiled cotton cleaning to be measured；(4) characteristic absorption peak and standard soiled cloth characteristic absorption peak after soiled cotton characteristic absorption peak to be measured, soiled cotton to be measured cleaning and national standard calico characteristic absorption peak are contrasted, draws the clean level of soiled cotton to be measured.
Description
Technical field
The present invention relates to the detection of detergent washing dirt-removing power and analysis method, and in particular to a kind of new washing decontamination
The assay method of ability and application.
Background technology
The dirt-removing power of detergent is one of important indicator for evaluating detergent quality, and detergency can not pass through direct measurement
Obtain, it is necessary to tested and evaluated by certain program under given conditions, the condition of test and operation sequence it is selected
Just it is particularly important, inappropriate assessment mode may cause experimental result and reality far from each other.To detergent manufacturers
Cause damage, made troubles to consumer.Along with the development of China's detergent industry, by years of researches finally in 1980
First " synthetic detergent powder standard QB-510-511-79 " is promulgated.This present method has evolved into China's unified implementation
" measure (GB/T13174-2008) of dress material detergent detergency " standard method.Provided in national standard GB/T13174-2008
Standard soiled cloth, i.e.,：Carbon black greasy dirt cloth JB-01, albumen soiled cotton JB-02, sebum soiled cotton JB-03, with standard soiled cloth with washing powder
Relative standard's washing powder (reference washing powder) detergency ratio (P) integrates detergency ability, detergency to weigh and evaluate washing powder
Ratio P is bigger, shows that detergency is stronger, and clean result is better.Due to different detergent on national standard soiled cotton between decontamination value often
Normal gap is smaller, it is not easy to differentiates dirt-removing power.What therefore laboratory determination method was conventional is artificially soiled cloth method.With certain formula
Artificial dirt pollution cloth specimen, then add detergent and washed under the conditions of defined, calculated with cleaning front and rear whiteness
Go the effect of dirt.
At present, detergent detergency is by the front and rear whiteness difference of GB/T13174-2008 detection washings, this detection side
Formula has many defects：Measurement whiteness can only reflect soiled cotton clean level, the species (such as careless stain, bloodstain, grease type stain) of spot
And its precisely the residual of chemical composition can not indicate.In addition, dirt skewness on soiled cotton cause measurement result deviation compared with
Greatly, it is also possible to inconsistent phenomenon occur, the error of general measure is in 5-10% or so.
The defects of in order to overcome present in prior art, need to be invented one kind can intuitively reflect pollution categories and chemistry into
Divide the determination techniques of residual.
The content of the invention
The purpose of the present invention is the problem of being directed in background technology, there is provided a kind of measure of new washing dirt-removing power
Method and application.
A kind of assay method of new washing dirt-removing power of the present invention, comprises the following steps：
(1) use infrared spectrometer to be got to infrared beam by optically denser medium on standard calico, obtain standard white Boot
Levy absworption peak；
(2) use infrared spectrometer to be got to infrared beam by optically denser medium on standard soiled cloth, it is special to obtain standard soiled cloth
Levy absworption peak；
(3) use infrared spectrometer to be got to infrared beam by optically denser medium on soiled cotton to be measured, it is special to obtain soiled cotton to be measured
Absworption peak is levied, then according to national standard GB/T 13174-2008 cleaning method, is closed with washing powder, liquid detergent or containing enzyme
Soiled cotton to be measured is cleaned into detergent, uses infrared spectrometer to be got to infrared beam by optically denser medium again after cleaning
On soiled cotton to be measured after cleaning, characteristic absorption peak after soiled cotton cleaning to be measured is obtained；
(4) by characteristic absorption peak and standard soiled cloth characteristic absorption peak after soiled cotton characteristic absorption peak to be measured, soiled cotton to be measured cleaning
Contrasted with national standard calico characteristic absorption peak, draw the clean level of soiled cotton to be measured.
Preferably, optically denser medium of the present invention is thallium bromo-iodide, germanium, diamond, silver chlorate, silver bromide or silicon.
Preferably, standard calico of the present invention is national standard GB/T 13174-2008JB-00 byssus (HG/T
2609-1994) or actual clothing calico.
Preferably, soiled cotton to be measured of the present invention be national standard GB/T 13174-2008JB01, JB02, JB03, JB04 and
The standard soiled cloth for detergent detergency test of JB05 either offshore company's productions, or homemade contain specific dirt
The soiled cotton of stain.
Preferably, the enzyme in detergent containing enzymatic synthesis of the present invention is protease, lipase, amylase, cellulose
A kind of or any two or more mixture in enzyme, mannase.
Preferably, specific spot of the present invention is sweat stain, bloodstain, grease type stain, lipstick stain, butter stain and clothing
One or more kinds of mixtures in stain on cuff neckline.
The application of the assay method of the new washing dirt-removing power of the present invention, the dirt-removing power applied to articles for washing are tested.
Preferably, articles for washing of the present invention is washing powder, liquid detergent or detergent containing enzymatic synthesis.
The present invention uses above-mentioned technical proposal, the quantitative analysis based on infrared spectrum, selects one kind in spot to be inhaled in feature
Receiving has the characteristic absorption peak of larger absorbance in frequency, based on Lambert-Beer's law A=lgI0/ I=ε CL, I0With I be respectively into
Penetrate light and the intensity through the transmitted light after sample；A is absorbance, and the concentration C, thickness L to material are directly proportional；Absorbance A with
Transmitance T relation is：1-T=1-10-A；ε is absorptivity, is measured with calibration curve method.Make the dirt of various concentrations by oneself
Stain soiled cotton, the clean level in soiled cotton washing process can be determined with reference to the change curve of absorbance and concentration, is quantitative analysis
The most intuitively method of a certain spot.
Heretofore described ATR-FTIR is the infrared light for obtaining functional group and compound in differential spatial distribution
Spectrogram picture.Design parameter is set：
Instrument：Fourier transform infrared (FT-IR) spectrometer
Detector：DTGS KBr scanning times：64 wave-length coverages：4000–650cm-1
Spectral resolution：4cm-1 wave number precision：Better than 0.01cm-1
Invention further provides the preparation method of self-control soiled cotton.Self-control soiled cotton used is to select national standard calico (JB-
00), flatiron is smooth, and 6cm × 6cm sizes are cut into scissors.By selected stain application on pieces of cloth, coating scope is examination cloth
Middle radius be 3cm circle, every piece of pieces of cloth are coated with spot liquid 1ml to be measured.After coating, test piece is placed on room temperature
Lower 4h naturally dries.
Brief description of the drawings
Fig. 1 is the standard calico infrared absorption spectra of the embodiment of the present invention 1；
Fig. 2 is 1JB-01 carbon black soiled cotton infrared absorption spectras of the embodiment of the present invention；
Fig. 3 is 1JB-02 albumen soiled cotton infrared absorption spectras of the embodiment of the present invention；
Fig. 4 is 1JB-03 sebum soiled cotton infrared absorption spectras of the embodiment of the present invention；
Fig. 5 is that the embodiment of the present invention 1 makes olive oil soiled cotton infrared absorption spectra by oneself；
Fig. 6 makes linseed oil soiled cotton, self-control lipstick soiled cotton, self-control hand greasy dirt cloth, self-control soy sauce dirt by oneself for the embodiment of the present invention 1
The infrared absorption spectra of cloth；
Fig. 7 be 1JB-03 of the embodiment of the present invention washing before with the infrared spectrogram after washing；
Fig. 8 is that the embodiment of the present invention 1 makes the preceding infrared spectrogram with after washing of olive oil soiled cotton washing by oneself；
Fig. 9 is the infrared spectrogram that 1 different enzymes of the embodiment of the present invention are tested the decontamination for making olive oil by oneself；
Figure 10 be the embodiment of the present invention 1 make by oneself olive oil soiled cotton with two kinds of different lipase wash it is preceding with wash after it is red
External spectrum figure；
Figure 11 be the embodiment of the present invention 1 make by oneself soy sauce soiled cotton with two kinds of different lipase wash it is preceding with wash after it is infrared
Spectrogram；
Figure 12 is the infrared spectrogram of the front and rear soy sauce soiled cotton of 1 different detergent of embodiment of the present invention washing.
Embodiment
Embodiment 1
Standard calico infrared test：
JB-00 calicos are measured with ATR-FTIR Spectrometry (ATR-FTIR), infrared absorption spectra is such as
Shown in Fig. 1, cotton calico main chemical compositions are cotton fibers, and the structure of fiber is polyhydroxy aldehyde ketone.In Fig. 1：
A. in 3317cm-1Neighbouring peak is the stretching vibration of hydroxyl, and hydroxyl associating intensity is bigger, and peak shape is wider；
b.2888cm-1It is vC-H, 1430cm-1And 1339cm-1Stretching vibration explanation have-CH3；
C. in 1645cm-1It is the stretching vibration for being conjugated carbonyl (C=O)；
D. in 1163cm-1Place is-OH flexural vibrations, in 1013cm-1Place is the stretching vibration of C-O keys in alcohol；
Standard soiled cloth infrared test：
JB-01 carbon black soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).As shown in Fig. 2
3300cm-1It is nearby the stretching vibration of hydroxyl (- OH)；2900cm-1、1430cm-1、1380cm-1It is stretching for C-H, C-C key respectively
Contracting vibration, 1010cm-1It is nearby the stretching vibration of the C-O keys in alcohol.
JB-02 albumen soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).As shown in figure 3,
Occurs 1640cm in infrared spectrum-1Absorption band, this is conjugation carbonyl (C=O) absworption peak in peptide bond；Occur
1526cm-1Absorption band, this is the characteristic absorption band of the bands of a spectrum of acid amides III of beta sheet conformation.
JB-03 sebum soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).As shown in figure 4,
1740cm in infrared spectrum-1There is absorption band, be caused by the stretching vibration (C=O) of saturation carbonyl, in 2915cm-1
And 2850cm-1There are saturation C-H stretching vibration peaks at place, illustrates the oil substances containing carbonyl compounds.
JB-04 edible oil soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).Infrared spectrum
Middle 1740cm-1There is absorption band, be caused by the stretching vibration (C=O) of saturation carbonyl, in 2915cm-1And 2850cm-1There are saturation C-H stretching vibration peaks at place, illustrates the oil substances containing carbonyl compounds.
JB-05 starch soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).In infrared spectrum
1740cm-1There is absorption band, be caused by the stretching vibration (C=O) of saturation carbonyl, in 3390cm-1Place has-OH to stretch
Contracting vibration peak, illustrates containing free hydroxyl and carbonyl.
EMPA116 soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).Go out in infrared spectrum
1640cm is showed-1Absorption band, this is conjugation carbonyl (C=O) absworption peak in peptide bond；There is 1526cm-1Absorption band,
This is the characteristic absorption band of the bands of a spectrum of acid amides III of beta sheet conformation.
EMPA117 soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).In infrared spectrum
1620~1590cm-1Region and 1520~1480cm-1Occurs absorption band at region, this is the characteristic absorption of phenyl ring, and this is
Due to containing polyethylene terephthalate (PET) fiber in terylene；Occurs 1642cm in infrared spectrum-1Absorption band,
This is conjugation carbonyl (C=O) absworption peak in peptide bond；There is 1526cm-1Absorption band, this is the acid amides III of beta sheet conformation
The characteristic absorption band of bands of a spectrum.
CFT soiled cottons are measured with ATR-FTIR Spectrometry (ATR-FTIR).Occur in infrared spectrum
1640cm-1Absorption band, this is conjugation carbonyl (C=O) absworption peak in peptide bond；There is 1526cm-1Absorption band, this is
The characteristic absorption band of the bands of a spectrum of acid amides III of beta sheet conformation.
Make soiled cotton infrared test by oneself：
Self-control olive oil soiled cotton is measured with ATR-FTIR Spectrometry (ATR-FTIR).As shown in figure 5,
3010cm in infrared spectrum-1There is absorption band in place, is caused by the C-H stretching vibrations of alkene；In 2922cm-1With
2853cm-1There are the C-H stretching vibration peaks of saturation at place；There is 1742cm-1(C=O) absorption band, this be in oil sample not
The infrared absorption peak of saturation carbonyls.
Self-control linseed oil soiled cotton is measured with ATR-FTIR Spectrometry (ATR-FTIR).As shown in fig. 6,
3010cm in infrared spectrum-1There is absorption band in place, is caused by the C-H stretching vibrations of alkene, 1742cm occurs-1
(C=O) absorption band, this is the infrared absorption peak of beta-unsaturated carbonyl compounds in oil sample.
Self-control lipstick soiled cotton is measured with ATR-FTIR Spectrometry (ATR-FTIR).It is as shown in fig. 6, red
There is 1750~1735cm in outer spectrogram-1Region (C=O) absorption band, 3000cm-1-2850cm-1Interior obvious C-H stretches
Vibration absorption peak, illustrate the oil substances containing saturation carbonyl compounds in lipstick sample.
Self-control hand greasy dirt cloth is measured with ATR-FTIR Spectrometry (ATR-FTIR).It is as shown in fig. 6, red
There is 1750~1735cm in outer spectrogram-1Region (C=O) absorption band, 3000cm-1-2850cm-1Interior obvious C-H stretches
Vibration absorption peak, illustrate the oil substances containing saturation carbonyl compounds in lipstick sample.
Self-control soy sauce soiled cotton is measured with ATR-FTIR Spectrometry (ATR-FTIR).It is as shown in fig. 6, red
There is 1750~1735cm in outer spectrogram-1Region (C=O) absorption band, 3000cm-1-2850cm-1Interior obvious C-H stretches
Vibration absorption peak, 1640cm-1(C=O) carbonyl absorption peak is conjugated, illustrates to mix containing saturation carbonyl and protein in lipstick sample
The oil substances of thing.
Stained soiled cotton with ATR-FTIR Spectrometry (ATR-FTIR) measurement self-control.Go out in infrared spectrum
1640cm is showed-1Absorption band, this is conjugation carbonyl (C=O) absworption peak in peptide bond；There is 1526cm-1Absorption band,
This is the characteristic absorption band of the bands of a spectrum of acid amides III of beta sheet conformation, contains protein substance in the soiled cotton that illustrates to stain.
Self-control rice soiled cotton is measured with ATR-FTIR Spectrometry (ATR-FTIR).In infrared spectrum
1740cm-1There is absorption band, be caused by the stretching vibration (C=O) of saturation carbonyl, in 3390cm-1Place has-OH to stretch
Contracting vibration peak, illustrates containing free hydroxyl and carbonyl.
Self-control flour soiled cotton is measured with ATR-FTIR Spectrometry (ATR-FTIR).In infrared spectrum
1740cm-1There is absorption band, be caused by the stretching vibration (C=O) of saturation carbonyl, in 3390cm-1Place has-OH to stretch
Contracting vibration peak, illustrates containing free hydroxyl and carbonyl.
Soiled cotton decontamination process infrared test：
(1) national standard soiled cotton decontamination process infrared test
By national standard GB/T13174 decontamination methods to lipase YL6800E (121900U/g) commercially available cleaning solution in JB-
Washing tests are carried out on 03 sebum soiled cotton, before and after ATR-FTIR Spectrometry (ATR-FTIR) measurement washing
Soiled cotton infrared spectrogram.Fig. 7 be JB-03 washing before with the infrared spectrogram after washing, saturation C-H stretching absorbances peak
2915cm-1And 2850cm-1Remitted its fury, 1740cm-1Saturation carbonyl (C=O) stretching vibration peak remitted its fury, transmitance increase,
Show that saturation c h bond and C=O keys are reduced on soiled cotton, oil substances come off (saturated fatty acid and unsaturated fat on soiled cotton
Acid)；Compared with JB00 calicos, the JB03 sebum soiled cotton C-H stretching absorbances peak after washing still protrudes, and C=O stretching vibration peaks are simultaneously
Do not disappear, show there be oil substances residual on soiled cotton.
(2) soiled cotton decontamination process infrared test is made by oneself
Lipase YL6800E (121900U/g) commercially available cleaning solution is being made by oneself by national standard GB/T13174 decontamination methods
Washing tests are carried out on olive oil soiled cotton, before and after ATR-FTIR Spectrometry (ATR-FTIR) measurement washing
Soiled cotton infrared spectrogram.Fig. 8 is the preceding infrared spectrogram with after washing of self-control olive oil soiled cotton washing.Saturation C-H is flexible to be inhaled
Receive peak 2915cm-1And 2850cm-1Remitted its fury, 1740cm-1Saturation carbonyl (C=O) stretching vibration peak intensity almost disappears, thoroughly
Rate increase is crossed, shows that saturation c h bond and C=O keys are reduced on soiled cotton, oil substances (saturated fatty acid and unrighted acid)
Come off on soiled cotton；Compared with JB00 calicos, the JB03 sebum soiled cotton C-H stretching absorbances peak after washing still protrudes, and C=O stretches
Contracting vibration peak does not disappear, and shows there be olive oily substance residual on soiled cotton.
Different enzyme decontamination tests
(1) without enzyme detergent to self-control olive oil soiled cotton decontamination test
By national standard GB/T13174 decontamination methods, commercial laundry liquid carries out decontamination reality on self-control olive oil soiled cotton to
Test, with the front and rear soiled cotton infrared spectrogram of ATR-FTIR Spectrometry (ATR-FTIR) measurement washing.
(2) cellulase is to self-control olive oil soiled cotton decontamination test
By national standard GB/T13174 decontamination methods, commercially available plus cellulase YL400E cleaning solution is making olive oil by oneself to
Washing tests are carried out on soiled cotton, with the front and rear soiled cotton of ATR-FTIR Spectrometry (ATR-FTIR) measurement washing
Infrared spectrogram.
(3) protease is to self-control olive oil soiled cotton decontamination test
By national standard GB/T13174 decontamination methods, commercially available plus protease YL2180E cleaning solution is making olive oil by oneself to
Washing tests are carried out on soiled cotton, with the front and rear soiled cotton of ATR-FTIR Spectrometry (ATR-FTIR) measurement washing
Infrared spectrogram.
Fig. 9 is that different enzymes are tested the decontamination for making olive oil by oneself.Olive oil soiled cotton is made by oneself after without enzyme or enzymatic detergent,
Saturation C-H stretching absorbances peak 2915cm-1And 2850cm-1, saturation carbonyl (C=O) stretching vibration peak 1740cm-1Remitted its fury, thoroughly
Cross rate increase.Wherein lipase and cellulase (2915cm relatively strong to grease type soil release ability-1、2850cm-1With
1740cm-1).Lipase can open ester bond, and dirt-removing power is most strong；Cellulose can improve fibre structure, have certain decontamination energy
Power；Protease is almost identical with the spectral line of not enzymatic detergent, it was demonstrated that very faint to the Scavenging activity of grease type spot.
Different lipase are to self-control soiled cotton decontamination test：
(1) different lipase are to self-control olive oil soiled cotton decontamination test
Exist by the commercially available cleaning solution of national standard GB/T13174 decontamination methods pair plus two kinds of lipase YL6800E (121900U/g)
Washing tests are carried out on self-control olive oil soiled cotton, self-control olive oil soiled cotton is made by above-mentioned preparation method, declined with Fourier transformation
Subtract the front and rear soiled cotton infrared spectrogram of In situ ATR-FTIR (ATR-FTIR) measurement washing.
Figure 10 is the infrared spectrogram before self-control olive oil soiled cotton is washed with two kinds of different lipase and after washing.By scheming
As can be seen that two kinds of lipase are all to 1740cm-1The stretching vibration of neighbouring saturation carbonyl (C=O), 1640cm-1Neighbouring is total to
The stretching vibration of yoke carbonyl (C=O) key, 2900cm-1、1430cm-1、1380cm-1Vicinity is-CH3、-CH2, 3330cm-1It is attached
The stretching vibration of nearly hydroxyl has effect, and 2900cm-1、2850cm-1And 1740cm-1It is stronger to locate absorption of vibrations, it was demonstrated that self-control olive
Saturated fatty acid is more in olive greasy dirt cloth.Compare spectral line after two kinds of lipase wash, it can be seen that the action effect of lipase 1 is more
Add significantly.
(2) different lipase are to self-control soy sauce soiled cotton decontamination test
Exist by the commercially available cleaning solution of national standard GB/T13174 decontamination methods pair plus two kinds of lipase YL6800E (121900U/g)
Washing tests are carried out on self-control soy sauce soiled cotton, self-control soy sauce soiled cotton is made by above-mentioned preparation method, complete with Fourier transformation decay
The front and rear soiled cotton infrared spectrogram of reflection absorption ftir spectroscopy (ATR-FTIR) measurement washing.
Figure 11 is the infrared spectrogram before self-control soy sauce soiled cotton is washed with two kinds of different lipase and after washing.Can by figure
To find out, two kinds of lipase are all to 1740cm-1The stretching vibration of neighbouring saturation carbonyl (C=O), 1640cm-1Neighbouring conjugation
The stretching vibration of carbonyl (C=O) key, 2900cm-1、1430cm-1、1380cm-1Vicinity is-CH3、-CH2, 3330cm-1Near
The stretching vibration of hydroxyl has effect, and 3300cm-1And 1640cm-1It is stronger to locate absorption of vibrations, 2900cm-1Locate absorption of vibrations compared with
It is weak, it was demonstrated that unrighted acid and protein content are more in self-control soy sauce soiled cotton.Compare spectral line after two kinds of lipase wash, can
To find out that the action effect of lipase 1 is more notable.
Different detergent decontamination tests
(1) liquid detergent
By national standard GB/T13174 decontamination methods, commercial laundry liquid carries out decontamination reality on self-control olive oil soiled cotton to
Test, with the front and rear soiled cotton infrared spectrogram of ATR-FTIR Spectrometry (ATR-FTIR) measurement washing.
(2) washing powder
By national standard GB/T13174 decontamination methods, commercial laundry powder carries out decontamination reality on self-control olive oil soiled cotton to
Test, with the front and rear soiled cotton infrared spectrogram of ATR-FTIR Spectrometry (ATR-FTIR) measurement washing.
Figure 12 is the infrared spectrogram before self-control olive oil soiled cotton is washed with two kinds of different detergent and after washing.Can by figure
To find out, the saturation C-H stretching absorbances peak 2915cm of washing powder-1And 2850cm-1, saturation carbonyl (C=O) stretching vibration peak
1740cm-1Intensity is weaker, and transmitance is larger, illustrates that washing powder dirt-removing power is better than cleaning solution.
Determined by ATR-FTIR Spectrometry (ATR-FTIR), its scrubbed rear characteristic absorption wave band
Transmitance it is big compared to strengthening before washing, spot Restzustand on soiled cotton can be intuitively reacted, based on Lambert-Beer
Law, make the spot soiled cotton of various concentrations by oneself, can be determined in soiled cotton washing process with reference to the change curve of absorbance and concentration
Clean level, can be with the residual quantity of quantitative analysis spot.
Claims (8)
- A kind of 1. assay method of new washing dirt-removing power, it is characterized in that comprising the following steps：(1) use infrared spectrometer to be got to infrared beam by optically denser medium on standard calico, obtain standard white cloth feature and inhale Receive peak；(2) use infrared spectrometer to be got to infrared beam by optically denser medium on standard soiled cloth, obtain standard soiled cloth feature and inhale Receive peak；(3) use infrared spectrometer to be got to infrared beam by optically denser medium on soiled cotton to be measured, obtain soiled cotton feature to be measured and inhale Peak is received, then according to national standard GB/T 13174-2008 cleaning method, is washed with washing powder, liquid detergent or containing enzymatic synthesis Wash agent to clean soiled cotton to be measured, use infrared spectrometer to get to cleaning by optically denser medium with infrared beam again after cleaning On soiled cotton to be measured afterwards, characteristic absorption peak after soiled cotton cleaning to be measured is obtained；(4) by characteristic absorption peak and standard soiled cloth characteristic absorption peak and state after soiled cotton characteristic absorption peak to be measured, soiled cotton to be measured cleaning Mark calico characteristic absorption peak is contrasted, and draws the clean level of soiled cotton to be measured.
- A kind of 2. assay method of new washing dirt-removing power according to claim 1, it is characterized in that close Jie of described light Matter is thallium bromo-iodide, germanium, diamond, silver chlorate, silver bromide or silicon.
- A kind of 3. assay method of new washing dirt-removing power according to claim 1, it is characterized in that described standard white Cloth is national standard GB/T 13174-2008JB-00 byssus (HG/T 2609-1994) or actual clothing calico.
- A kind of 4. assay method of new washing dirt-removing power according to claim 1, it is characterized in that described dirt to be measured Cloth is national standard GB/T 13174-2008 JB01, JB02, JB03, JB04 and JB05 either offshore company's productions for washing The standard soiled cloth of agent detergency test, or the homemade soiled cotton containing specific spot.
- A kind of 5. assay method of new washing dirt-removing power according to claim 1, it is characterized in that described closes containing enzyme It is a kind of or any two in protease, lipase, amylase, cellulase, mannase into the enzyme in detergent The mixture of the kind above.
- A kind of 6. assay method of new washing dirt-removing power according to claim 4, it is characterized in that described specific dirt Stain is stupid on sweat stain, bloodstain, grease type stain, lipstick stain, butter stain, rice flour foods class spot and clothes cuff neckline Gu one or more kinds of mixtures in spot.
- A kind of 7. application of the assay method of new washing dirt-removing power described in claim 1 to 6 any one, it is characterized in that should Dirt-removing power for articles for washing is tested.
- A kind of 8. application of the assay method of new washing dirt-removing power according to claim 7, it is characterized in that described Articles for washing is washing powder, liquid detergent or detergent containing enzymatic synthesis.
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| CN109374563A (en) * | 2018-11-24 | 2019-02-22 | 芜湖真玛信息科技有限公司 | A method of measurement clothing clean level |
| CN111024464A (en) * | 2019-11-08 | 2020-04-17 | 上海开米科技有限公司 | Method for detecting residues of washed tableware detergent |
| EP4108753A1 (en) * | 2021-06-23 | 2022-12-28 | The Procter & Gamble Company | A method of quantifying the removal of hydrocarbon component from a soiled fabric by a washing process |
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- 2017-10-19 CN CN201710979789.3A patent/CN107782692A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109374563A (en) * | 2018-11-24 | 2019-02-22 | 芜湖真玛信息科技有限公司 | A method of measurement clothing clean level |
| CN111024464A (en) * | 2019-11-08 | 2020-04-17 | 上海开米科技有限公司 | Method for detecting residues of washed tableware detergent |
| EP4108753A1 (en) * | 2021-06-23 | 2022-12-28 | The Procter & Gamble Company | A method of quantifying the removal of hydrocarbon component from a soiled fabric by a washing process |
| WO2022271766A1 (en) * | 2021-06-23 | 2022-12-29 | The Procter & Gamble Company | A method of quantifying the removal of hydrocarbon component from a soiled fabric by a washing process |
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