CN100451627C - Testing reagent and identification method for natural colored mulberry silk - Google Patents
Testing reagent and identification method for natural colored mulberry silk Download PDFInfo
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- CN100451627C CN100451627C CNB2005100391966A CN200510039196A CN100451627C CN 100451627 C CN100451627 C CN 100451627C CN B2005100391966 A CNB2005100391966 A CN B2005100391966A CN 200510039196 A CN200510039196 A CN 200510039196A CN 100451627 C CN100451627 C CN 100451627C
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Abstract
The present invention relates to a detecting reagent and an identifying method of naturally colored mulberry silk. The method uses colorless transparent acidic solution or acidic salt solution composed of monobasic or polybasic inorganic acid with pH no more than 5.0 as a detecting reagent. Test samples are placed in a transparent container or a porcelain container with white inner walls, the detecting reagent is added, and natural yellow or green cocoons, silk, silk fabrics and other cocoon silk products of mulberry silkworms and non-natural yellow or green products can be identified by observing color change. The present invention can quickly identify naturally colored products, chemical dyeing products, natural plant pigment dying products and living chemical dyeing products obtained by raising mulberry silkworms with mulberry silkworm fodder in which chemical dye is added or mulberry silkworms soaked by chemical dye within one minute. The present invention has the characteristics of simple method, low identifying cost and obvious and accurate result, and naked eyes can directly identify the natural colored mulberry silk. The present invention is a feasible invention with high practicability.
Description
Technical field
The present invention relates to the testing reagent and the discrimination method of the natural colored silk of a kind of silkworm (silkworm), be specifically related to a kind of discriminating silkworm natural yellow or green cocoon, silk, silk fabrics and other silk product, with chemosynthesis pigment or the yellow of natural colouring matter dyeing or the agent prescription and the discrimination method of green cocoon, silk, silk fabrics and other silk product.
Background technology
Silkworm larvae is got food mulberry leaf or artificial formula feed, an accumulation and a manufacturing silk material, ripe silkworm larvae is weaved silk and is cocoond, and mulberry cocoon outer field silk gum of silk fiber in hot water or low concentration alkalescence solution is partly dissolved, utilize the mechanical force can the continuous drawing long filament, i.e. filature production from silk cocoon.
The continuity long fibre that mulberry silk is made up of two silk fibroin molecular chains and the sericin that covers the outside.The composition of silk is formed and content is: fibroin albumen 70～80%, sericin 20～30%, hydrocarbon 1.2～1.6%, inorganics trace 0～0.7%, pigment 0～0.1%, sericine dissolves in strong base solution, and the beta structure of fibroin protein is destroyed in strong acid or high concentration magnesium salts, becomes silk protein solution.
The color production theory of the natural colored cocoon of silkworm, it is mainly as follows to obtain the generally acknowledged content of bombycology circle at present:
The natural colored cocoon of silkworm of heredity mainly contains yellow red cocoon colour system and green cocoon colour system two big colour system classes.The cocoon look of colors such as that yellow red cocoon colour system comprises is yellowish, golden yellow, yellowish pink, red, wormwood artemisia look, rust; Green cocoon colour system comprises bamboo green (pale green) and green two kinds of cocoon looks.The silk color of yellow red cocoon colour system also has the synthetic flavones pigment of a spot of silkworm body from carotenoid in the mulberry leaf (beta carotene, newborn beta carotene) and xenthophylls class pigment (xenthophylls, taraxanthin, violaxanthin, hypoxanthine xanthin); The silk pigment of green cocoon colour system is mainly the flavones pigment, and is synthetic in midgut or blood, also has a small amount of from carotenoid in the mulberry leaf and xenthophylls class pigment.Pigment in the silkworm body not only needs to enter blood from digest tube, perhaps synthetic in blood, also needing to enter the silk glands silk from blood just can be painted, so the color of silk and the depth are not only relevant with the composition and the content of pigment, also be subjected to the permeability influence of digest tube and silk glands tube wall, this a series of physiological regulation process all is subjected to the control of gene.With the red cocoon of Huang is example, its cocoon color control gene has tens, the requisite of silk color formation is yellow cocoon basi gene of yellow blood and yellow blood gene, under the condition that they exist, when having other controlling genes simultaneously, will all present colors such as golden yellow, yellowish pink, pink, rust, dark red, faint yellow, bale of straw respectively at cocoon internal layer or skin or cocoon.Simultaneously, the performance of some silk color gene also is subjected to the inhibition of other gene.For example yellow blood suppressor I decomposes class carrot pigment, makes silk cocoon colourless.The colored cocoon that has only pigment source to form in the natural colouring matter of mulberry leaf or the synthetic pigment of silkworm larvae self is only natural colored cocoon truly, is called natural colored silk with the silk of its production.
Feed silkworm after adding chemical synthetic dye on mulberry leaf or in the silkworm man-made feeds, perhaps soak silkworm larvae with diazol colours, make synthetic dyestuff enter the silkworm sericterium, the various coloured silk cocoons of final acquisition belong to visitain, the silk of its production does not belong to the natural colored silk of silkworm of the present invention, and essence is chemical dye chromatic thread of the present invention.
Utilizing the chemosynthesis pigment dyeing is a kind of method of very general and cheap production colored cocoon, silk, silk fabrics and other silk product.Remove in addition, utilizing the natural colouring matter that extracts from plant to dye also can production color and quite similar mulberry cocoon, silk, silk fabrics and other silk product of natural colored product.But because colouring method uses the white mulberry silk of raw material and the mulberry silk interior molecules structure and the composition of natural colored product that very big difference is arranged, both performances and use value also have very big difference.
The dyeing of mulberry cocoon, silk, silk fabrics and other silk product, the main dyestuff that uses has the azo class of hydrophilic radicals such as sulfonic group or carboxyl or the acid dyes of anthraquinone class or triphenylmethane; With the hydroxyl of silk-fibroin or the reactive dye of amino or amide group generation covalent bonds; Also once used the sulfonate sodium (SO of aromatic
3Na) or carboxyl sodium salt (COONa) direct dyes; The leuco compound sodium sulfovinate that reducing dye that generates leuco compound and could dye after dissolving in the strong reducing solution of alkalescence or the reduction of reducing dye process and esterification form or the soluble vat dye of sylvite; The derivant nonionic disperse dyes of low molecule azo or anthraquinone or diphenylamine; And premetallized dye.At present, silkworm yellow and green cocoon, silk, silk fabrics and other silk product, what generally use is acid dyes or reactive dyeing.And high-grade cocoon, silk, silk fabrics and other silk product of the natural colouring matter that utilization is extracted from plant dyeing mainly utilize safflower yellow (C
21H
20O
10), carthamin (C
21H
22O
11), crocin (C
20H
24O
4), gardenin (C
21H
19O
8), curcumin (C
21H
14O
6) or demethyl florigen (C
19H
8O
4) wait composition.
Because having between the chromaticity, natural colored mulberry cocoon, silk, silk fabrics and other silk product and non-natural have very big-difference at aspects such as performance, quality and economic worths; therefore how correctly distinguishing natural colored product and non-natural has chromaticity to protecting natural colored product, embodies fair competition and stabilizes the market significant.Yet, have only at present natural colored and the visitain that can distinguish silkworm by the pigment composition and the content of working sample or mulberry cocoon, silk, silk fabrics and other silk product of synthetic dyestuff dyeing both at home and abroad, but can't distinguish mulberry cocoon, silk, silk fabrics and other silk product that natural colouring matter dyes.And, use present disclosed detection method to need complicated condition determination, cost long time and higher cost.For now, also there are not the above-mentioned various mulberry cocoons of a kind of quick discriminating, silk, silk fabrics and other silk product both at home and abroad, the method for particularly simple and easy to do natural colored mulberry cocoon, silk, silk fabrics and other silk product.
Summary of the invention
The purpose of this invention is to provide a kind of easy, quick, accurately distinguish the testing reagent and the discrimination method of dyeing of the natural colored and visitain of mulberry cocoon, silk, silk fabrics and other silk product or synthetic dyestuff or natural colouring matter dyeing.
For achieving the above object, the technical scheme that testing reagent of the present invention adopts is: a kind of testing reagent of natural colored mulberry silk, this testing reagent are water white transparency, and PH≤5.0, and by monobasic or sour acid solution or the acidic salt solution of forming of multi-element, inorganic.
Related content in the technique scheme is explained as follows:
1, in the such scheme, described mineral acid is selected one of hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid or wherein both mixing at least.
2, in the such scheme, one of described solvent selection is following:
(1), water;
(2), alcohol;
(3), acetone;
(4), water and pure mixed liquor;
(5), water and acetone mixed liquor.
For achieving the above object, the technical scheme that natural yellow mulberry silk discrimination method of the present invention adopts is: with water white transparency, and PH≤5.0, and acid solution or the acidic salt solution be made up of monobasic or multi-element, inorganic acid are testing reagent, adopt following steps to differentiate silkworm natural yellow cocoon, silk, silk fabrics and other silk product, and non-natural yellow cocoon, silk, silk fabrics and other silk product:
(1), selecting a transparent vessel or inwall is the porcelain container of white;
(2), test sample is soaked in the testing reagent in this container;
(3), observe change color
1., when the color of tested yellow sample becomes purple very soon, then be yellow cocoon, silk, silk fabrics and other silk product of chemical acid dyes or live body acid dyeing;
2., when the very fast intensification of color of tested yellow sample, then be yellow cocoon, silk, silk fabrics and other silk product of activity chemistry dyestuff or live body reactive dyeing;
3., when the color of tested yellow sample is faded very soon, be under the colloidal solid state cessation reaction immediately at test sample, water flushing fast, if sample is colourless, yellow cocoon, silk, silk fabrics and other silk product that dyes for natural colouring matter then; If sample is the yellow light slightly than primary colors, then is natural yellow cocoon, silk, silk fabrics and other silk product.
In the such scheme, because tested yellow sample change color is very fast, and sample just is dissolved as liquid state about one minute, in order accurately to distinguish the yellow product of natural yellow product and natural colouring matter dyeing, scheme is preferably: when the color of tested yellow sample is faded very soon, repeat the above operation steps of differentiating, be under the colloidal solid state cessation reaction immediately at test sample, water flushing fast, if sample has been colourless, yellow cocoon, silk, silk fabrics and other silk product that dyes for natural colouring matter then; If sample is the yellow light slightly than primary colors, then is natural yellow cocoon, silk, silk fabrics and other silk product.
For achieving the above object, the technical scheme that natural green mulberry silk discrimination method of the present invention adopts is: with water white transparency, and PH≤5.0, and acid solution or the acidic salt solution be made up of monobasic or multi-element, inorganic acid are testing reagent, adopt following steps to differentiate silkworm natural green cocoon, silk, silk fabrics and other silk product, and non-natural green cocoon, silk, silk fabrics and other silk product:
(1), selecting a transparent vessel or inwall is the porcelain container of white;
(2), test sample is soaked in the testing reagent in this container;
(3), observe change color
1., when the color of tested green sample becomes purple very soon, then be green cocoon, silk, silk fabrics and other silk product of chemical acid dyes or live body acid dyeing;
2., when the very fast intensification of color of tested green sample, then be green cocoon, silk, silk fabrics and other silk product of activity chemistry dyestuff or live body reactive dyeing;
3., thin out or constant substantially when the color of tested green sample, then be natural green cocoon, silk, silk fabrics and other silk product.
The technology of the present invention principle is that carotenoid and xenthophylls are met strong acid and faded very soon in the pigment of natural colored silk of silkworm, and the flavones pigment is more stable in strong acid.The silk color of yellow red cocoon colour system mainly is from carotenoid in the mulberry leaf and xenthophylls class pigment, and the synthetic flavones pigment of a small amount of silkworm body; The silk pigment of green cocoon colour system is mainly the synthetic flavones pigment of silkworm body, and a small amount of from carotenoid in the mulberry leaf and xenthophylls class pigment.So natural colored cocoon, silk, silk fabrics and its silk product yellow of the yellow red cocoon colour system of silkworm are taken off very soon in strong acid reagent, become light green or approaching colourless; And the natural colored cocoon of green cocoon colour system, silk, silk fabrics and its silk Product Green are thin out or constant substantially.Silk protein is dissolving gradually also.The natural colored mulberry cocoon of reddish yellow cocoon colour system, silk, silk fabrics and its silk product finally become light green or near colourless liquid, the natural colored cocoon of green cocoon colour system, silk, silk fabrics and its silk product finally become green solution.
Acid dyes yellow or green system becomes purple fast in strong acid solution, and reactive dye yellow or green system in strong acid solution, become fast than original colourity deepen yellow or green, the silk protein of dyeing is dissolving gradually also, final acid dyeing sample becomes purple solution, and the reactive dyeing sample becomes the deep yellow or dark green solution of significantly deepening than the original colourity of sample.
Because chromatic thread, silk fabric can only the chromatic thread fibrous outers, and all are distributed with pigment between the silk fiber internal layer protein molecule of natural colorful silk, silk product.Use is faded in the proper acidic detection agent very soon from yellow silk, the silk fabric of the pigment dyeing of plant extract, and this moment natural yellow silk, silk fabric the outer pigment of silk fiber destroyed and fade, but inside is still coloured.Timely cessation reaction, then stained specimens is colourless or color is very light, and the natural yellow sample still has the color near original colourity.
Because green natural colouring matter is extremely unstable, green cocoon, silk, silk fabrics and other silk product of stereon dyeing do not arranged in the market.So adopt testing reagent prescription provided by the invention and discrimination method, natural colored and the visitain of silkworm or mulberry cocoon, silk, silk fabrics and its its silk product of chemical pigment dyeing or natural colouring matter dyeing can be distinguished simply, quickly and accurately, promptly following chromaticity can be distinguished:
Discrimination method of the present invention is to adopt acid reagent, and by after the inventive method processing, the change color of test sample and metamorphosis in 1s～10min.Described disposal route refers to clip test sample 1-2cm
2, put into suitable transparent glass container (test tube, small beaker or cuvette) or transparent plastic container (centrifuge tube, tubule) or inwall porcelain small container for white, add the 3-5mL testing reagent, observe color and metamorphosis.Described metamorphosis refers to that the solid test sample gradually becomes liquid in acid reagent, and the speed that its form changes is accelerated the 0-100 ℃ of temperature rising with testing reagent, also accelerates with the concentration increase of testing reagent.
Because the technique scheme utilization, the present invention compared with prior art has following advantage and effect:
1, testing reagent provided by the invention and discrimination method, can identify natural colored product, chemical dye dyeing, natural plant pigment dyeing fast with interior at 1min, and raise silkworm or soak the live body chemical dye dyeing that obtains behind the silkworm larvae in the chemical dye interpolation silkworm feed.
2, the inventive method is simple, differentiates that cost is low, and the result is obviously accurate, and naked eyes directly can be debated, and are a kind of simple and feasible, the innovation and creation that practical value is very high.
Embodiment
Below in conjunction with embodiment the present invention is further described:
Embodiment one: a kind of testing reagent of natural colored mulberry silk, this testing reagent are water white transparency, and PH≤5.0, and by monobasic or sour acid solution or the acidic salt solution of forming of multi-element, inorganic.Described mineral acid is selected one of hydrochloric acid, sulfuric acid, nitric acid, phosphoric acid or wherein both mixing at least.One of described solvent selection is following:
(1), water;
(2), alcohol;
(3), acetone;
(4), water and pure mixed liquor;
(5), water and acetone mixed liquor.
Embodiment two: a kind of discrimination method of natural yellow mulberry silk
The present embodiment purpose is the natural yellow thing of difference mulberry cocoon, silk, silk fabrics and other silk product and acid dyes dyes yellow thing or the live body acid dyes dyes yellow thing.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance yellow
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under the normal temperature condition, become colorless in the color 30s of fabric or light green, 1min about become colourless or light green liquid be silkworm natural yellow silk fabrics.The color of fabric become immediately become purple liquid about purple, 1min dye yellow Light of Mulberry Silk Fabrics or the live body acid dyes dyes yellow Light of Mulberry Silk Fabrics for the chemosynthesis acid dyes.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
Embodiment three: a kind of discrimination method of natural green mulberry silk
The present embodiment purpose is the natural green thing of difference mulberry cocoon, silk, silk fabrics and other silk product and acid dyes dyes green thing or the live body acid dyes dyes green thing.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance green
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under the normal temperature condition, the fabric green is constant substantially, and what become green solution about 1min is silkworm natural green silk fabrics.The color of fabric become immediately become purple liquid about purple, 1min dye green Light of Mulberry Silk Fabrics or the live body acid dyes dyes green Light of Mulberry Silk Fabrics for the chemosynthesis acid dyes.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
Embodiment four: a kind of discrimination method of natural yellow mulberry silk
The present embodiment purpose is the natural yellow thing of difference mulberry cocoon, silk, silk fabrics and other silk product and reactive dye dye yellow thing or the live body reactive dye dye yellow thing.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance yellow
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under the normal temperature condition, become colorless in the color 30s of fabric or light green, 1min about become colourless or light green liquid be silkworm natural yellow silk fabrics.The color of fabric is deepened immediately, become the chemosynthesis reactive dye dye yellow Light of Mulberry Silk Fabrics or the live body reactive dye dye Huang the Light of Mulberry Silk Fabrics of being of the yellow liquid deepened than the original colourity of sample about 1min.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
Embodiment five: a kind of discrimination method of natural green mulberry silk
The present embodiment purpose is the natural green thing of difference mulberry cocoon, silk, silk fabrics and other silk product and reactive dye dye green thing or the live body reactive dye dye green thing.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance green
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under the normal temperature condition, the fabric green is constant substantially, become green solution about 1min be silkworm natural green silk fabrics.The color of fabric is deepened immediately, become the green liquid deepened than the original colourity of sample about 1min dye green Light of Mulberry Silk Fabrics or the live body reactive dye dye green Light of Mulberry Silk Fabrics for the chemosynthesis reactive dye.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
Embodiment six: a kind of discrimination method of natural yellow mulberry silk
The present embodiment purpose is that the extraction pigment dyes yellow thing in the natural yellow thing of difference mulberry cocoon, silk, silk fabrics and other silk product and the plant.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance yellow
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under 30 ℃ of-15 ℃ of room temperature conditions, reaction 5-10s is when test sample is the colloidal solid state, fast with 100 times of water flushing sample fabric with upper volume, what keep primary colors substantially is silkworm natural yellow silk fabrics, and colourless dyes yellow silk fabrics for extracting plant pigment.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
Embodiment seven: a kind of discrimination method of natural yellow mulberry silk
The present embodiment purpose is the natural yellow thing of difference mulberry cocoon, silk, silk fabrics and other silk product and dyes yellow thing.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance yellow
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under the normal temperature condition:
1, yellow becomes purple immediately, becomes purple solution about 1min, then is the silk fabrics of acidic chemical synthetic dyestuffs dyeing or the silk fabrics of live body acidic chemical synthetic dyestuffs dyeing.
2, yellow is deepened immediately, becomes the yellow solution of deepening than the original colourity of sample about 1min, is the silk fabrics that the activity chemistry dyestuff dyes yellow silk fabrics or the live body reactive dye dye Huang.
3, yellow is faded gradually, question response 5-15s, when test sample is the colloidal solid state, water flushing fast, sample is colourless then for extracting the silk fabrics of plant pigment dyeing, and what sample kept primary colors (promptly light slightly than primary colors yellow) substantially is silkworm natural yellow silk fabrics.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
Embodiment eight: a kind of discrimination method of natural green mulberry silk
The present embodiment purpose is the natural green thing of difference mulberry cocoon, silk, silk fabrics and other silk product and dyes green thing.
Each about 2cm of Light of Mulberry Silk Fabrics of clip naked eyes outward appearance green
2, put into the clear glass test tube, add the HCl aqueous solution of 5mL25%.Under the normal temperature condition:
1, green becomes purple immediately, becomes purple solution about 1min, then dyes green silk fabrics for the acidic chemical synthetic dyestuffs or live body acidic chemical synthetic dyestuffs dye green silk fabrics.
2, green is deepened immediately, becomes the green solution of deepening than the original colourity of sample about 1min, for the activity chemistry dyestuff dyes green silk fabrics or the live body reactive dye dye green silk fabrics.
3, green is slowly thin out, becomes green solution about 1min, then is natural green domestic silkworm silk fabric.
The HCl aqueous solution is heated in advance or is heated to test tube, and the color change of fabric and liquefying speed are accelerated.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (3)
1, a kind of discrimination method of natural yellow mulberry silk, it is characterized in that: with water white transparency, and PH≤5.0, and acid solution or the acidic salt solution be made up of monobasic or multi-element, inorganic acid are testing reagent, adopt following steps to differentiate silkworm natural yellow cocoon, silk, silk fabrics and other silk product, and non-natural yellow cocoon, silk, silk fabrics and other silk product:
(1), selecting a transparent vessel or inwall is the porcelain container of white;
(2), test sample is soaked in the testing reagent in this container;
(3), observe change color
1., when the color of tested yellow sample becomes purple very soon, then be yellow cocoon, silk, silk fabrics and other silk product of chemical acid dyes or live body acid dyeing;
2., when the very fast intensification of color of tested yellow sample, then be yellow cocoon, silk, silk fabrics and other silk product of activity chemistry dyeing;
3., when the color of tested yellow sample is faded very soon, be under the colloidal solid state cessation reaction immediately at test sample, water flushing fast, if sample is colourless, yellow cocoon, silk, silk fabrics and other silk product that dyes for natural colouring matter then; If sample is the yellow light slightly than primary colors, then is natural yellow cocoon, silk, silk fabrics and other silk product.
2, the discrimination method of natural yellow mulberry silk according to claim 1, it is characterized in that: when the color of tested yellow sample is faded very soon, repeat the above operation steps of differentiating, be under the colloidal solid state cessation reaction immediately at test sample, water flushing fast, if sample has been colourless, yellow cocoon, silk, silk fabrics and other silk product that dyes for natural colouring matter then; If sample is the yellow light slightly than primary colors, then is natural yellow cocoon, silk, silk fabrics and other silk product.
3, a kind of discrimination method of natural green mulberry silk, it is characterized in that: with water white transparency, and PH≤5.0, and acid solution or the acidic salt solution be made up of monobasic or multi-element, inorganic acid are testing reagent, adopt following steps to differentiate silkworm natural green cocoon, silk, silk fabrics and other silk product, and non-natural green cocoon, silk, silk fabrics and other silk product:
(1), selecting a transparent vessel or inwall is the porcelain container of white;
(2), test sample is soaked in the testing reagent in this container;
(3), observe change color
1., when the color of tested green sample becomes purple very soon, then be green cocoon, silk, silk fabrics and other silk product of chemical acid dyes or live body acid dyeing;
2., when the very fast intensification of color of tested green sample, then be green cocoon, silk, silk fabrics and other silk product of activity chemistry dyeing;
3., thin out or constant substantially when the color of tested green sample, then be natural green cocoon, silk, silk fabrics and other silk product.
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| CNB2005100391966A CN100451627C (en) | 2005-04-27 | 2005-04-27 | Testing reagent and identification method for natural colored mulberry silk |
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|---|---|---|---|
| CNB2005100391966A CN100451627C (en) | 2005-04-27 | 2005-04-27 | Testing reagent and identification method for natural colored mulberry silk |
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| CN100451627C true CN100451627C (en) | 2009-01-14 |
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| CN106770260B (en) * | 2017-01-22 | 2019-05-03 | 宁波市纤维检验所 | A kind of chemical method identifying cotton fabric vegetable colour |
| CN106841184B (en) * | 2017-01-22 | 2019-04-30 | 浙江纺织服装职业技术学院 | A kind of chemical method identifying silk fabrics vegetable colour |
| CN110057811B (en) * | 2018-10-26 | 2021-11-02 | 国家纺织服装产品质量监督检验中心（浙江桐乡） | Method for rapidly judging whether mulberry silk is grafted or not |
| CN109900687B (en) * | 2019-03-04 | 2022-04-05 | 青岛大学 | Method for quickly identifying bleaching of vegetable-dyed fabric and chemically-dyed fabric |
| CN109991214B (en) * | 2019-03-04 | 2022-02-22 | 青岛大学 | Quick identification method for bleaching of plant-dyed yarns and chemical-dyed yarns |
| CN112903667B (en) * | 2021-01-19 | 2023-04-25 | 河南染匠科技有限公司 | Method for rapidly identifying natural dye and synthetic dye |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1064746A (en) * | 1992-03-21 | 1992-09-23 | 浙江大学 | Rapid photoelectric cocoon appraising method and device |
| JPH073517Y2 (en) * | 1985-07-15 | 1995-01-30 | ソニー株式会社 | Tape cassette |
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2005
- 2005-04-27 CN CNB2005100391966A patent/CN100451627C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH073517Y2 (en) * | 1985-07-15 | 1995-01-30 | ソニー株式会社 | Tape cassette |
| CN1064746A (en) * | 1992-03-21 | 1992-09-23 | 浙江大学 | Rapid photoelectric cocoon appraising method and device |
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