CN106053714A - Method for measuring content of suspension in water extract of tobacco raw materials - Google Patents
Method for measuring content of suspension in water extract of tobacco raw materials Download PDFInfo
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- CN106053714A CN106053714A CN201610340389.3A CN201610340389A CN106053714A CN 106053714 A CN106053714 A CN 106053714A CN 201610340389 A CN201610340389 A CN 201610340389A CN 106053714 A CN106053714 A CN 106053714A
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- Prior art keywords
- water extract
- suspension
- extract
- tobacco
- tobacco material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
- G01N31/168—Determining water content by using Karl Fischer reagent
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0098—Plants or trees
Abstract
The invention discloses a method for measuring the content of suspension in the water extract of tobacco raw materials. The method comprises the following steps: (1) fetching the water extract of tobacco raw materials during the production process of paper-making reconstituted tobacco, adopting a Karl-Fischer method to measure the extract water content (Cw); (2) adopting a Brix degree meter to measure the Brix degree value (Sc) of the water extract; (3) calculating the content (Css) of suspension in water extract of tobacco raw materials according to a formula: Css(%)=100-Cw-Sc. The provided method has the advantages of short measuring time, high accuracy, high precision, good data repeatability, and high sensitivity, can be used to optimize the extraction, concentration, blending, and using technologies of tobacco raw material water extract, and is capable of improving the purity and quality of water extract.
Description
Technical field
The invention belongs to reconstituted tobacco Technology field, relate to the mensuration side of suspension content in tobacco material water extract
Method.
Background technology
Float refers to the solid matter being suspended in water, including inorganic matter, Organic substance and the silt, glutinous of water fast
Soil, microorganism etc..Float usually becomes the carrier that microorganism is hidden.Produce actual showing, in equal densities water extract, suspend
Thing is the most, effective ingredient less, quality the poorest.Suspension content mensuration is extract degree of purity, quality control and extracted
The key index of process control.Reconstituted tobacco raw materials for production have cabo, offal, tobacco cut, even flue dust rod, and raw material sources are wide
General, generally come from the discarded leftover bits and pieces of cigarette factory, Redrying Factory production process, reconstituted tobacco production process relates to extracting, concentrating, only
Multiple feed liquid links such as change, coating, the suspension content of feed liquid directly affects and concerns process feed liquid clean-up effect, and active substance contains
Amount and extracting solution quality, and then affect product Painting effect and end product quality.Therefore, float in tobacco material water extract is measured
Content is significant for reconstituted tobacco production process quality monitoring.
About the mensuration of suspension content middle in liquid, the Patents related to is as follows: Chinese patent CN94192636.2
Disclose the method measured for chemically and physically parameter water content float identified and classify；Chinese patent
CN202101934U discloses static dindar float on-line monitoring instrument；Chinese patent CN202886231U discloses a kind of use
Concentration of suspension in concentration basin detects device；Chinese patent CN201210436195.5 discloses a kind of hanging for concentration basin
Float concentration real-time detecting system；What Chinese patent CN201310630304.1 disclosed float in a kind of water monitors system in real time
System；Chinese patent 201210210501.3 discloses a kind of special thick oil extremely-viscous crude sewage float rapid assay methods；China is specially
Profit CN201310416413.3 discloses a kind of High Mineralized Oilfield Wastewater float rapid assay methods；Chinese patent
CN201310724959.5 discloses a kind of method that urban wastewater treatment firm Inlet and outlet water concentration of suspension quickly detects；China is specially
Profit CN201410288543.8 discloses the detection method of suspension content in a kind of sewage；Chinese patent
CN201410403317.X discloses float filter method in a kind of water.Wherein, the method for CN94192636.2 is based on dividing
Light luminosity absorbance, uses statistical method, check and correction sample size relatively big, and subject range is limited.CN202101934U、
CN202886231U, CN201210436195.5, CN201310630304.1 are concentration of suspension detection device and instrument, its
Middle CN202101934U is detection equipment based on Tyndall effect exploitation.201210210501.3、CN201310416413.3
Based on absorbance-suspension content standard curve to the test of float in oil-polluted water, test is the longest, needs to make simultaneously
Standard curve, wastes time and energy.CN201310724959.5 passes through Criterion curve to urban wastewater treatment firm Inlet and outlet water water sample
Concentration of suspension is tested.CN201410288543.8 with CN201410403317.X is similar, and two kinds of method test processs are equal
Relatively complicated, need to carry out testing front preparation, although having reduced compared to the drying time 2h of convection oven method, but actual consumption
Time the longest, line Quality Control and technique are instructed and be there is no instantaneity, as the practical significance applied at line method not
Greatly.
The test that after the test basic employing solution of float filters in tobacco material water extract at present, oven for drying is weighed
Method, but the method for testing filtering post-drying is the longest, process is loaded down with trivial details, and operating error is relatively large, and in addition, Nicotiana tabacum L. is former
In material Aqueous extracts, float easily combines with dissolubility polymer and colloidal substance (DCS), uses traditional filtration, weight method survey
Fixed, part colloidal substance is also retained down as float, and test result accuracy is inadequate, low precision, poor reproducibility；If adopting
Use spectrophotometric absorbance method, owing to the fluctuation of tobacco material composition is big, changes formula for a product every time, be required for again making standard
Working curve, even produce actual show same composition of raw materials composition fluctuation the biggest, affect mensuration accuracy, essence
Degree, repeatability.
Summary of the invention
It is an object of the invention to solve the problem and shortage that above-mentioned prior art exists, it is provided that one can quickly, accurately
Ground measures the method for suspension content in the tobacco material water extract that papermaking-method reconstituted tobaccos produces, to improve extract degree of purity
And quality.
The purpose of the present invention is achieved through the following technical solutions:
The assay method of suspension content in a kind of tobacco material water extract, step is as follows:
(1) take papermaking-method reconstituted tobaccos production process tobacco material water extract, use karr-Fei Xiu method to measure extract
Moisture CW,；
(2) Brix Brix degree instrument is used to measure Brix angle value S in tobacco material water extractC；
(3) suspension content C in tobacco material water extract is calculatedSS, computing formula is as follows:
CSS(%)=100-CW-SC。
Tobacco material of the present invention is one or more in smoked sheet, tobacco shred, flue dust rod, cabo.
The inventive method uses karr-Fei Xiu Moisture Meter to measure extracting solution moisture, and Karl_Fischer method is more suitable for surveying
Determine the moisture of tobacco material Aqueous extracts, it is to avoid oven method measuring extracting solution moisture is higher, and (in extracting solution, substantial amounts of thermal sensitivity is waved
Fa Xingcheng branch removes in drying course) error, use Brix Brix degree instrument measure extracting solution Brix angle value, i.e. extract
The water solublity of liquid contains admittedly, and then calculates suspension content in tobacco material water extract.
Compared with prior art, during the present invention measures the tobacco material water extract that papermaking-method reconstituted tobaccos produces, float contains
The minute of amount is short, accuracy is high, precision is high, data reappearance is good, highly sensitive, can optimizing tobacco raw water extract carry
Take, concentrate, allocate and use technique, improve extract degree of purity and quality.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described.
Embodiment 1 measures suspension content in cabo water extract
(1) sampling 6 times through extraction, solid-liquid separation, the extracting solution of sedimentation agent sedimentation from cabo, each sample average is divided into 2
Part, wherein 1 part uses karr-Fei Xiu method to determine extract moisture (CW, %)；Measurement result such as following table.
(2) Brix hundred profit degree instrument is used to measure the Brix angle value (S of cabo another part of sample of water extractC, %), result is as follows
Table.
| Sequence number | Cabo water extract Brix angle value (SC, %) |
| 1 | 8.30 |
| 2 | 8.50 |
| 3 | 8.10 |
| 4 | 8.20 |
| 5 | 8.20 |
| 6 | 8.10 |
| Meansigma methods (%) | 8.23 |
| Standard deviation | 0.15 |
| The coefficient of variation (%) | 1.83 |
(3) suspension content C in tobacco material water extract is calculatedSS(%)
CSS(%)=100-CW-SC, result such as following table.
Embodiment 2 measures suspension content in tobacco leaf fragment water extract
(1) sampling 6 times through extraction, solid-liquid separation, the extracting solution of sedimentation agent sedimentation from tobacco leaf fragment, each sample average divides
Becoming 2 parts, wherein 1 part uses karr-Fei Xiu method to determine extract moisture (CW, %)；Measurement result such as following table.
| Sequence number | Tobacco leaf fragment water extract moisture (CW, %) |
| 1 | 89.19 |
| 2 | 89.04 |
| 3 | 88.95 |
| 4 | 89.11 |
| 5 | 89.25 |
| 6 | 89.27 |
| Meansigma methods (%) | 89.14 |
| Standard deviation | 0.13 |
| The coefficient of variation (%) | 0.14 |
(2) Brix hundred profit degree instrument is used to measure the Brix angle value (S of another part of tobacco leaf fragment water extract sampleC, %), result
Such as following table.
(3) suspension content C in tobacco material water extract is calculatedSS(%)
CSS(%)=100-CW-SC, result such as following table.
| Tobacco leaf fragment water extract suspension content CSS(%) | |
| 1 | 3.81 |
| 2 | 3.76 |
| 3 | 3.85 |
| 4 | 3.79 |
| 5 | 3.80 |
| 6 | 3.83 |
| Meansigma methods (%) | 3.81 |
| Standard deviation | 0.03 |
| The coefficient of variation (%) | 0.83 |
Embodiment 3 measures suspension content in flue dust rod water extract
(1) sampling 6 times through broken, extraction, solid-liquid separation, the extracting solution of sedimentation agent sedimentation from flue dust rod, each sample is put down
Being divided into 2 parts, wherein 1 part uses karr-Fei Xiu method to determine extract moisture (CW, %)；Measurement result such as following table.
| Sequence number | Flue dust rod water extract moisture (CW, %) |
| 1 | 88.09 |
| 2 | 88.46 |
| 3 | 88.00 |
| 4 | 87.94 |
| 5 | 87.93 |
| 6 | 88.03 |
| Meansigma methods (%) | 88.08 |
| Standard deviation | 0.20 |
| The coefficient of variation (%) | 0.22 |
(2) Brix hundred profit degree instrument is used to measure the Brix angle value (S of cabo another part of sample of water extractC, %), result is as follows
Table.
| Sequence number | Flue dust rod water extract Brix angle value (SC, %) |
| 1 | 6.55 |
| 2 | 6.37 |
| 3 | 6.48 |
| 4 | 6.64 |
| 5 | 6.76 |
| 6 | 6.51 |
| Meansigma methods (%) | 6.55 |
| Standard deviation | 0.13 |
| The coefficient of variation (%) | 2.06 |
(3) suspension content C in tobacco material water extract is calculatedSS(%)
CSS(%)=100-CW-SC, result such as following table.
| Sequence number | Flue dust rod water extract suspension content (CSS, %) |
| 1 | 5.36 |
| 2 | 5.17 |
| 3 | 5.52 |
| 4 | 5.42 |
| 5 | 5.31 |
| 6 | 5.46 |
| Meansigma methods (%) | 5.37 |
| Standard deviation | 0.12 |
| The coefficient of variation (%) | 2.31 |
Claims (2)
1. the assay method of suspension content in a tobacco material water extract, it is characterised in that step is as follows:
(1) take papermaking-method reconstituted tobaccos production process tobacco material water extract, use karr-Fei Xiu method to measure extract moisture
Content CW,；
(2) Brix Brix degree instrument is used to measure Brix angle value S thereinC；
(3) suspension content C in tobacco material water extract is calculatedSS, computing formula is as follows:
CSS(%)=100-CW-SC。
2. require the assay method of suspension content, its feature in a kind of tobacco material water extract described in 1 according to claim
Being, described tobacco material is one or more in smoked sheet, tobacco shred, flue dust rod, cabo.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107183782A (en) * | 2017-06-29 | 2017-09-22 | 中烟施伟策（云南）再造烟叶有限公司 | A kind of method for lifting papermaking-method reconstituted tobaccos tobacco material recovery rate |
| CN107543879A (en) * | 2017-08-11 | 2018-01-05 | 安徽中烟工业有限责任公司 | The assay method of solid content in a kind of papermaking-method reconstituted tobaccos tobacco water extract |
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| US20130165678A1 (en) * | 2010-08-06 | 2013-06-27 | Scott Kohl | Suspended solids separation systems and methods |
| CN103645162A (en) * | 2013-12-02 | 2014-03-19 | 中山欧麦克仪器设备有限公司 | System for monitoring suspended solids in water in real time |
| CN103994941A (en) * | 2014-04-01 | 2014-08-20 | 河北中烟工业有限责任公司 | Method for rapidly detecting tobacco moisture |
| CN104034626A (en) * | 2014-06-26 | 2014-09-10 | 南通永康检测技术有限公司 | Detection method for content of suspended solids in wastewater |
| CN104655805A (en) * | 2015-02-13 | 2015-05-27 | 云南中烟再造烟叶有限责任公司 | Method for rapidly measuring content of hot water soluble matter in paper-making reconstituted tobacco production |
| TWI503531B (en) * | 2010-01-15 | 2015-10-11 | Univ Nat Central | A method for measuring the property of the suspended solids and other substances in the fluid |
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2016
- 2016-05-20 CN CN201610340389.3A patent/CN106053714B/en active Active
Patent Citations (6)
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| TWI503531B (en) * | 2010-01-15 | 2015-10-11 | Univ Nat Central | A method for measuring the property of the suspended solids and other substances in the fluid |
| US20130165678A1 (en) * | 2010-08-06 | 2013-06-27 | Scott Kohl | Suspended solids separation systems and methods |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107183782A (en) * | 2017-06-29 | 2017-09-22 | 中烟施伟策（云南）再造烟叶有限公司 | A kind of method for lifting papermaking-method reconstituted tobaccos tobacco material recovery rate |
| CN107543879A (en) * | 2017-08-11 | 2018-01-05 | 安徽中烟工业有限责任公司 | The assay method of solid content in a kind of papermaking-method reconstituted tobaccos tobacco water extract |
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