CN107084936A - The assay method of transportable property fluorescent whitening agent in toilet paper - Google Patents
The assay method of transportable property fluorescent whitening agent in toilet paper Download PDFInfo
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- CN107084936A CN107084936A CN201710269816.8A CN201710269816A CN107084936A CN 107084936 A CN107084936 A CN 107084936A CN 201710269816 A CN201710269816 A CN 201710269816A CN 107084936 A CN107084936 A CN 107084936A
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- Prior art keywords
- fluorescent whitening
- whitening agent
- toilet paper
- ultraviolet
- assay method
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- 239000006081 fluorescent whitening agent Substances 0.000 title claims abstract description 21
- 238000003556 assay Methods 0.000 title claims abstract description 9
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 18
- CMXXUDSWGMGYLZ-XRIGFGBMSA-N (2s)-2-amino-3-(1h-imidazol-5-yl)propanoic acid;hydron;chloride;hydrate Chemical compound O.Cl.OC(=O)[C@@H](N)CC1=CN=CN1 CMXXUDSWGMGYLZ-XRIGFGBMSA-N 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000002313 adhesive film Substances 0.000 claims description 6
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 6
- KDQPSPMLNJTZAL-UHFFFAOYSA-L disodium hydrogenphosphate dihydrate Chemical compound O.O.[Na+].[Na+].OP([O-])([O-])=O KDQPSPMLNJTZAL-UHFFFAOYSA-L 0.000 claims description 6
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 6
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 6
- 239000011780 sodium chloride Substances 0.000 claims description 6
- 239000004925 Acrylic resin Substances 0.000 claims description 3
- 229920000178 Acrylic resin Polymers 0.000 claims description 3
- 241000283707 Capra Species 0.000 claims description 3
- 238000004458 analytical method Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000010985 leather Substances 0.000 claims description 3
- 239000000843 powder Substances 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 210000004243 sweat Anatomy 0.000 claims description 3
- 239000000123 paper Substances 0.000 abstract description 13
- 239000007788 liquid Substances 0.000 abstract description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract description 4
- 238000004128 high performance liquid chromatography Methods 0.000 abstract description 4
- 238000000870 ultraviolet spectroscopy Methods 0.000 abstract description 3
- 238000007445 Chromatographic isolation Methods 0.000 abstract description 2
- 229910021529 ammonia Inorganic materials 0.000 abstract description 2
- 239000000706 filtrate Substances 0.000 abstract description 2
- 238000001914 filtration Methods 0.000 abstract description 2
- 230000014759 maintenance of location Effects 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- CNGYZEMWVAWWOB-VAWYXSNFSA-N 5-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-[(e)-2-[4-[[4-anilino-6-[bis(2-hydroxyethyl)amino]-1,3,5-triazin-2-yl]amino]-2-sulfophenyl]ethenyl]benzenesulfonic acid Chemical compound N=1C(NC=2C=C(C(\C=C\C=3C(=CC(NC=4N=C(N=C(NC=5C=CC=CC=5)N=4)N(CCO)CCO)=CC=3)S(O)(=O)=O)=CC=2)S(O)(=O)=O)=NC(N(CCO)CCO)=NC=1NC1=CC=CC=C1 CNGYZEMWVAWWOB-VAWYXSNFSA-N 0.000 abstract 1
- 238000002835 absorbance Methods 0.000 abstract 1
- 239000004744 fabric Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 241000894006 Bacteria Species 0.000 description 4
- 238000001514 detection method Methods 0.000 description 4
- 244000052616 bacterial pathogen Species 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000005012 migration Effects 0.000 description 2
- 238000013508 migration Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- FFRBMBIXVSCUFS-UHFFFAOYSA-N 2,4-dinitro-1-naphthol Chemical compound C1=CC=C2C(O)=C([N+]([O-])=O)C=C([N+]([O-])=O)C2=C1 FFRBMBIXVSCUFS-UHFFFAOYSA-N 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 238000002944 PCR assay Methods 0.000 description 1
- 241000191940 Staphylococcus Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005282 brightening Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000105 evaporative light scattering detection Methods 0.000 description 1
- 230000002949 hemolytic effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000000243 solution Substances 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
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N2030/022—Column chromatography characterised by the kind of separation mechanism
- G01N2030/027—Liquid chromatography
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The invention discloses a kind of assay method of transportable property fluorescent whitening agent in toilet paper, compared with prior art, ultraviolet-visible spectrophotometry and high performance liquid chromatography is respectively adopted in quantitative detecting method of the present invention, wherein ultraviolet-visible spectrophotometry is using 0.1% ammonia spirit that pH is 8.0~9.0 as extract, the absorbance of sample filtrate is determined with ultraviolet-uisible spectrophotometer, with VBL fluorescent whitening agent standard liquid dulling luminosity ratios compared with so as to quantitative determine transportable property fluorescent brightener levels in sample；High performance liquid chromatography is using methanol as extract, after filtering, enters after high performance liquid chromatograph, inverted chromatographic isolation, using UV-detector, is quantitative determined according to retention time and peak area.This method operability is very strong, and the degree of accuracy, precision and sensitivity are high, are that current China is first about paper and the assay method of the transportable fluorescent whitening agent of cardboard.
Description
Technical field
The present invention relates to a kind of toilet paper detection technique, more particularly to transportable property fluorescent whitening agent in a kind of toilet paper
Assay method.
Background technology
Toilet (referring generally to lavatory) is generally used for as common toilet paper (toilet paper) to use, and is a kind of very common
Small stores, because of place used in it, it should say that some index requests can be with relatively low, but for some pathogenic species bacterium colonies
This is tight tight for index, be to have the product directly contacted with people after all, such as Escherichia coli, hemolytic bacteria and golden yellow staphylococcus are caused a disease
Bacterium, has provided in a standard, it is necessary to be " mustn't have ", this be to, be principle.For which nonpathogenic bacterium colony
Index then can be loose.Toilet paper standard is tackled in pathogenic bacteria index request more sternly, and non-pathogenic bacteria then can be counted not, this
It is comparison rationally and gears to actual circumstances.In west economy developed country (such as U.S.), non-pathogenic bacteria index is not referred to.Thus
Tight just tight, the wide just width, accomplishes wide tight degree of having, this is conducive to the development and ecological protection of recycling economy.
For current disposable papery health product pretreatment process is tediously long, inconvenient operation present situation, using multiple
Fluorescence PCR assay, solves conventional detection time length, the low problem of clearance speed, is provided for the type product mass detection
Technical support.
Disposable papery health product is especially weighed with user's direct skin contact product, its safe and healthy performance
Will, if production plant manages improperly in terms of raw material control, environment disinfected, cleaning system, production process, it may all multiply
The microorganism being harmful to human body.
The content of the invention
The purpose of the present invention is that provides transportable property fluorescent brightening in a kind of toilet paper to solve the above problems
The assay method of agent.
The present invention is achieved through the following technical solutions above-mentioned purpose：
The present invention includes alkaline synthetic perspiration (g/L)：
L-Histidine hydrochloride monohydrate (C6H9O2N3·HCL·H2O)0.5g
Sodium chloride (NaCL) 5g
Disodium phosphate dihydrate (Na2HPO4·2H2O)5g
Acid synthetic perspiration (g/L)：
L-Histidine hydrochloride monohydrate (C6H9O2N3·HCL·H2O)0.5g
Sodium chloride (NaCL) 5g
Disodium phosphate dihydrate (Na2HPO4·2H2O)2.2g
Sheepskin：Sheepskin or goat skin without coating, leather thicknesses are in 0.3mm~0.8mm；
VBL fluorescent whitening agents：Meet the following requirements：
Outward appearance：Faint yellow or yellow homogeneous powder
Coloured light：Blue light
Moisture content：≤ 5%
Fineness：Cross residue on sieve after 250 micron openings：≤ 10%
Uviol lamp：Ultraviolet with wavelength 365nm and 350nm；
Clamping device：One stainless steel frame, 5kg counterweights are combined with 100mm × 40mm × 0.15mm acrylic resin board
Sample, is sandwiched in the middle of plate, and should ensure that sample is pressurized is 12.5kPa；
Analytical procedure：
(1) under normal temperature condition, toilet paper pattern is placed in the middle of 2 sheepskins, an assembly is constituted, and use in corner
Clip is fixed, and is dipped into acid or alkaline sweat, it is ensured that pattern can be taken off after fully absorbing；
(2) assembly after soaking, is wrapped up with PE self-adhesive films, is put into clamping device, is applied 5kg counterweights, is placed into perseverance
In incubator, retain 10min at a temperature of 37 ± 2 DEG C；
(3) take out assembly from clamping device, open PE self-adhesive films, sheepskin surface is lain in 23 DEG C upwards, relative
Dried in the environment of humidity 50%.
The beneficial effects of the present invention are：
The present invention is a kind of assay method of transportable property fluorescent whitening agent in toilet paper, compared with prior art, this hair
Ultraviolet-visible spectrophotometry and high performance liquid chromatography, wherein UV, visible light spectrophotometric is respectively adopted in bright quantitative detecting method
Method determines the suction of sample filtrate with ultraviolet-uisible spectrophotometer using 0.1% ammonia spirit that pH is 8.0~9.0 as extract
Luminosity, with VBL fluorescent whitening agent standard liquid dulling luminosity ratios compared with containing so as to quantitative determine transportable property fluorescent whitening agent in sample
Amount；High performance liquid chromatography is using methanol as extract, after filtering, enters after high performance liquid chromatograph, inverted chromatographic isolation,
Using UV-detector, quantitative determined according to retention time and peak area.This method operability is very strong, the degree of accuracy, essence
Density and sensitivity are high, are that current China is first about paper and the assay method of the transportable fluorescent whitening agent of cardboard.
Embodiment
The invention will be further described below：
The present invention includes alkaline synthetic perspiration (g/L)：
L-Histidine hydrochloride monohydrate (C6H9O2N3·HCL·H2O)0.5g
Sodium chloride (NaCL) 5g
Disodium phosphate dihydrate (Na2HPO4·2H2O)5g
Acid synthetic perspiration (g/L)：
L-Histidine hydrochloride monohydrate (C6H9O2N3·HCL·H2O)0.5g
Sodium chloride (NaCL) 5g
Disodium phosphate dihydrate (Na2HPO4·2H2O)2.2g
Sheepskin：Sheepskin or goat skin without coating, leather thicknesses are in 0.3mm~0.8mm；
VBL fluorescent whitening agents：Meet the following requirements：
Outward appearance：Faint yellow or yellow homogeneous powder
Coloured light：Blue light
Moisture content：≤ 5%
Fineness：Cross residue on sieve after 250 micron openings：≤ 10%
Uviol lamp：Ultraviolet with wavelength 365nm and 350nm；
Clamping device：One stainless steel frame, 5kg counterweights are combined with 100mm × 40mm × 0.15mm acrylic resin board
Sample, is sandwiched in the middle of plate, and should ensure that sample is pressurized is 12.5kPa；
Analytical procedure：
(1) under normal temperature condition, toilet paper pattern is placed in the middle of 2 sheepskins, an assembly is constituted, and use in corner
Clip is fixed, and is dipped into acid or alkaline sweat, it is ensured that pattern can be taken off after fully absorbing；
(2) assembly after soaking, is wrapped up with PE self-adhesive films, is put into clamping device, is applied 5kg counterweights, is placed into perseverance
In incubator, retain 10min at a temperature of 37 ± 2 DEG C；
(3) take out assembly from clamping device, open PE self-adhesive films, sheepskin surface is lain in 23 DEG C upwards, relative
Dried in the environment of humidity 50%.
The preparation of standard liquid：
0.1gVBL fluorescent whitening agents are dissolved in 800mL water, 1L is then diluted to and is made into dilution.Take respectively appropriate
Dilution, then be diluted with water to 1L, be configured to the standard liquid of different series solubility.It is shown in Table 1.
The fluorescent whitening agent standard liquid series of table 1
Assess the preparation of standard specimen：
50mm × 50mm rectangles undyed hair adjacent fabric number is cut, hair adjacent fabric should meet GB/T7586.1-
The requirement of 2002 standards.In a diameter of 80mm × 80mm glass plates, 1ml different fluorescence levels standard liquids are added, by fabric
It is put into glass plate, after fabric uniform pickup standard liquid, is placed on normal fabric on (90mm × 90mm), lucifuge is dried,
And put on corresponding Grade numbers.
Outcome evaluation：Ultraviolet irradiation and a face sheepskin of detection sample contacts using wavelength 365nm, and prepared with 9
Standard specimen compare.
5 expression fluorescent whitening agents have covered contacted sheepskin surface substantially, what 4 expression fluorescent whitening agent coverings were contacted
The area on sheepskin surface 75% or so, 3 represent that fluorescent whitening agent covers the area on contacted sheepskin surface 50% or so, 2 tables
Show that fluorescent whitening agent covers the area on contacted sheepskin surface 25% or so, 1 represents that contact surface does not have fluorescence increasing substantially
White agent.
With the fluorescent whitening agent of the immediate standard specimen migration grade of sheepskin surface fluorescence to be assessed for detection sample
Migration amount grade.
The general principle and principal character and advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the simply explanation described in above-described embodiment and specification is originally
The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (1)
1. the assay method of transportable property fluorescent whitening agent in a kind of toilet paper, it is characterised in that：Including alkaline synthetic perspiration (g/
L)：
L-Histidine hydrochloride monohydrate (C6H9O2N3·HCL·H2O)0.5g
Sodium chloride (NaCL) 5g
Disodium phosphate dihydrate (Na2HPO4·2H2O)5g
Acid synthetic perspiration (g/L)：
L-Histidine hydrochloride monohydrate (C6H9O2N3·HCL·H2O)0.5g
Sodium chloride (NaCL) 5g
Disodium phosphate dihydrate (Na2HPO4·2H2O)2.2g
Sheepskin：Sheepskin or goat skin without coating, leather thicknesses are in 0.3mm~0.8mm；
VBL fluorescent whitening agents：Meet the following requirements：
Outward appearance：Faint yellow or yellow homogeneous powder
Coloured light：Blue light
Moisture content：≤ 5%
Fineness：Cross residue on sieve after 250 micron openings：≤ 10%
Uviol lamp：Ultraviolet with wavelength 365nm and 350nm；
Clamping device：One stainless steel frame, 5kg counterweights are combined with 100mm × 40mm × 0.15mm acrylic resin board and tried
Sample, is sandwiched in the middle of plate, and should ensure that sample is pressurized is 12.5kPa；
Analytical procedure：
(1) under normal temperature condition, toilet paper pattern is placed in the middle of 2 sheepskins, an assembly is constituted, and in corner clip
It is fixed, is dipped into acid or alkaline sweat, it is ensured that pattern can be taken off after fully absorbing；
(2) assembly after soaking, is wrapped up with PE self-adhesive films, is put into clamping device, is applied 5kg counterweights, is placed into insulating box
In, retain 10min at a temperature of 37 ± 2 DEG C；
(3) assembly is taken out from clamping device, PE self-adhesive films is opened, sheepskin surface is lain in into 23 DEG C, relative humidity upwards
Dried in 50% environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269816.8A CN107084936A (en) | 2017-04-24 | 2017-04-24 | The assay method of transportable property fluorescent whitening agent in toilet paper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710269816.8A CN107084936A (en) | 2017-04-24 | 2017-04-24 | The assay method of transportable property fluorescent whitening agent in toilet paper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107084936A true CN107084936A (en) | 2017-08-22 |
Family
ID=59611500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710269816.8A Pending CN107084936A (en) | 2017-04-24 | 2017-04-24 | The assay method of transportable property fluorescent whitening agent in toilet paper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107084936A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398502A (en) * | 2018-03-06 | 2018-08-14 | 江苏出入境检验检疫局工业产品检测中心 | The method for assessing fluorescent whitening agent the amount of migration in human sweat contained by textile |
| CN110455730A (en) * | 2019-08-23 | 2019-11-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Using the method for titanium dioxide crystal form in spectrophotometry measurement White plastic film |
| CN110687088A (en) * | 2019-10-18 | 2020-01-14 | 重庆理文卫生用纸制造有限公司 | Method for detecting fluorescent substance in toilet paper product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108398502A (en) * | 2018-03-06 | 2018-08-14 | 江苏出入境检验检疫局工业产品检测中心 | The method for assessing fluorescent whitening agent the amount of migration in human sweat contained by textile |
| CN108398502B (en) * | 2018-03-06 | 2021-03-09 | 江苏出入境检验检疫局工业产品检测中心 | Method for evaluating migration amount of fluorescent whitening agent contained in textile in human sweat |
| CN110455730A (en) * | 2019-08-23 | 2019-11-15 | 佛山市顺德区美的洗涤电器制造有限公司 | Using the method for titanium dioxide crystal form in spectrophotometry measurement White plastic film |
| CN110687088A (en) * | 2019-10-18 | 2020-01-14 | 重庆理文卫生用纸制造有限公司 | Method for detecting fluorescent substance in toilet paper product |
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