CN106770260B - A kind of chemical method identifying cotton fabric vegetable colour - Google Patents
A kind of chemical method identifying cotton fabric vegetable colour Download PDFInfo
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- CN106770260B CN106770260B CN201710053077.9A CN201710053077A CN106770260B CN 106770260 B CN106770260 B CN 106770260B CN 201710053077 A CN201710053077 A CN 201710053077A CN 106770260 B CN106770260 B CN 106770260B
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- 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
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
- G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
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Abstract
The present invention relates to a kind of chemical methodes for identifying cotton fabric vegetable colour, immerse in reagent of stripping after needing the dyed cotton fabric identified wetting, if decoloration completely after immersion, illustrate that the dyestuff on the cotton fabric is vegetable colour；If cotton fabric no bleaching, take out and rewetted after cleaning, immersed in color changing reagent, such as the blackening of cotton fabric color after immersion, then shows that the dyestuff on the cotton fabric is vegetable colour.If not blackening, which is chemical synthetic dye dyed fabric.Reagent of wherein stripping uses the aqueous solution of glacial acetic acid and sodium oxalate, color changing reagent uses the aqueous solution of ferrous sulfate and zinc sulfate, the present invention generates different metachromatisms under the effect of identical chemical reagent from chemical dye using vegetable colour in cotton fabric, effectively simply identifies whether the dyestuff in dyed cotton fabric is vegetable colour.
Description
Technical field
The present invention relates to a kind of methods of differential staining fabric vegetable colour, pass through more particularly to one kind simple
Chemical means carry out the method for differential staining cotton fabric vegetable colour.
Background technique
Vegetable colour has good Environmental compatibility and medicinal health-care function, and the exploitation of vegetable colour dyed textiles meets
The development trend of current textile manufacturing.But for a kind of dyeing product textile, how to identify whether it is vegetable colour dyeing
Into being but difficult to distinguish.There is document introduction can be by a kind of mini optical fibre spectral technique to the vegetable colour in ancient textiles
Undamaged determination is carried out, but this technology not only needs special equipment, and analyzes the spectrum point that personnel also need to have profession
Analysis ability.Textile production enterprise and trading enterprise are also difficult to reach condition at present.
Summary of the invention
The technical problem to be solved by the present invention is to a kind of dyed cotton easy to operate is provided for state of the art
The chemical discrimination method of fabric, using vegetable colour in cotton fabric, the generation under the effect of identical chemical reagent is different from chemical dye
Metachromatism, effectively identifying cotton fabric is formed or is dyed by chemical synthetic dye by vegetable colour dyeing.
The technical scheme of the invention to solve the technical problem is: the chemistry side of the identification cotton fabric vegetable colour
Method, it is characterized in that the following steps are included:
1) the dyed cotton fabric immersion after being soaked with clear water is stripped in reagent, if decoloration completely, illustrates after immersion
Dyestuff on the cotton fabric is vegetable colour；
Wherein: the reagent of stripping includes the aqueous solution of glacial acetic acid, sodium oxalate, and wherein the concentration of glacial acetic acid is 20%-
60%, the concentration of sodium oxalate is 3%-5%；
If 2) cotton fabric no bleaching, taking-up rewets after being cleaned with clear water, immerses in color changing reagent, as cotton is knitted after immersion
Damp blackening is looked for, then illustrates that the dyestuff on the cotton fabric illustrates that the dyestuff on the cotton fabric is if not blackening for vegetable colour
Chemical synthetic dye；
Wherein: the color changing reagent includes the aqueous solution of ferrous sulfate, zinc sulfate, wherein the concentration 2%- of ferrous sulfate
10%, sulfuric acid zinc concentration 1%-3%.
Compared with the prior art, the advantages of the present invention are as follows:
1) not needing special installation can effectively differential plant dyestuff.
2) easy to operate, slightly the personnel of dyeing and finishing technique or chemical operation technology can complete.
3) visual result, result can be clearly observed by being not required to analyze by data.
Detailed description of the invention
Fig. 1 is the process flow chart of the embodiment of the present invention.
Specific embodiment
Of the invention is described in detail with reference to the accompanying drawings and examples.
As shown in connection with fig. 1, the present invention is acted on chemical dye in identical chemical reagent using vegetable colour in cotton fabric
Lower to generate different metachromatisms, whether the dyestuff come in differential staining cotton fabric is vegetable colour.It mainly passes through following two
A step is realized:
1), first that glacial acetic acid and sodium oxalate is soluble in water, it is configured to reagent of stripping, the dense of glacial acetic acid described in reagent of stripping
Degree is 20%-60%, and the concentration of the sodium oxalate is 3%-5%；Then the dyed cotton fabric identified will be needed to be soaked with clear water
After be immersed in the reagent of stripping, if dyed cotton fabric decolourizes completely after immersion, illustrate dyestuff on the cotton fabric to plant
Object dyestuff.And bleaching time is directly related with the height of above-mentioned glacial acetic acid concentration, concentration is higher, and bleaching time is shorter.Time one
As be 30 minutes to 24 hours.Such as glacial acetic acid concentration 40%, oxalic acid receives concentration 5%, then can be decolourized completely with fabric in 30 minutes
Situation determines.The cotton fabric is taken out if without decolourizing completely, into next step.
2), first that ferrous sulfate, zinc sulfate is soluble in water, it is configured to color changing reagent, ferrous sulfate described in color changing reagent
Concentration be 2%-10%, the sulfuric acid zinc concentration be 1%-3%；Then by the no bleaching after aforementioned reagent of stripping impregnates
Dyed cotton fabric rewets after being cleaned with clear water, is immersed in the color changing reagent, after immersion, such as cotton fabric color in 24 hours
Blackening then shows that the dyestuff on the cotton fabric is vegetable colour.If not blackening, which is that chemical synthetic dye dyeing is knitted
Object.
Above-mentioned glacial acetic acid, sodium oxalate, ferrous sulfate, sulfuric acid zinc concentration are mass percentage concentration.
Operation of the present invention is simple and convenient, is not required to effectively identify the dyestuff of dyed cotton fabric by special installation
It whether is vegetable colour.
Claims (1)
1. a kind of chemical method for identifying cotton fabric vegetable colour, it is characterised in that the following steps are included:
1) the dyed cotton fabric immersion after being soaked with clear water is stripped in reagent, if decoloration completely, illustrates the cotton after immersion
Dyestuff on fabric is vegetable colour, and soaking time is 0.5~24 hour；
Wherein: the reagent of stripping includes the aqueous solution of glacial acetic acid, sodium oxalate, and wherein the concentration of glacial acetic acid is 20%-60%,
The concentration of sodium oxalate is 3%-5%；
If 2) cotton fabric no bleaching, taking-up rewets after being cleaned with clear water, immerses in color changing reagent, after immersion, at 24 hours
Interior such as cotton fabric color blackening then illustrates that the dyestuff on the cotton fabric is that vegetable colour illustrates on the cotton fabric if not blackening
Dyestuff be chemical synthetic dye；
Wherein: the color changing reagent includes the aqueous solution of ferrous sulfate, zinc sulfate, wherein the concentration 2%- of ferrous sulfate
10%, sulfuric acid zinc concentration 1%-3%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053077.9A CN106770260B (en) | 2017-01-22 | 2017-01-22 | A kind of chemical method identifying cotton fabric vegetable colour |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053077.9A CN106770260B (en) | 2017-01-22 | 2017-01-22 | A kind of chemical method identifying cotton fabric vegetable colour |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106770260A CN106770260A (en) | 2017-05-31 |
| CN106770260B true CN106770260B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710053077.9A Active CN106770260B (en) | 2017-01-22 | 2017-01-22 | A kind of chemical method identifying cotton fabric vegetable colour |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109900647B (en) * | 2019-03-04 | 2022-04-05 | 青岛大学 | Quick chromatographic identification method for plant-dyed cotton fabric and chemical-dyed cotton fabric |
| 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 |
| 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 |
| CN114199802B (en) * | 2021-12-16 | 2023-12-22 | 中国纺织信息中心 | Method for identifying vegetable dye in dyed textile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687755A (en) * | 2005-04-27 | 2005-10-26 | 苏州大学 | Testing reagent and identification method for natural colored mulberry silk |
| EP1913959A1 (en) * | 2006-10-16 | 2008-04-23 | CIS bio international | Radioactive metal complexes comprising a tridentate complexing sequence |
| CN103383350A (en) * | 2013-06-28 | 2013-11-06 | 中国丝绸博物馆 | Non-constructive detection method for dyes on textile antiques |
| CN104634632A (en) * | 2015-01-29 | 2015-05-20 | 华东理工大学 | Method for stripping dyes on dyed silk fabrics |
| CN105136772A (en) * | 2015-08-26 | 2015-12-09 | 浙江理工大学 | Raman spectrum discriminating method of natural dyeing silk fabrics |
| CN105572263A (en) * | 2016-02-26 | 2016-05-11 | 夏兆鹏 | Identification method of pterocarpus santalinus wood and pterocarpus tinctorius wood and products of pterocarpus santalinus wood and pterocarpus tinctorius wood |
-
2017
- 2017-01-22 CN CN201710053077.9A patent/CN106770260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1687755A (en) * | 2005-04-27 | 2005-10-26 | 苏州大学 | Testing reagent and identification method for natural colored mulberry silk |
| EP1913959A1 (en) * | 2006-10-16 | 2008-04-23 | CIS bio international | Radioactive metal complexes comprising a tridentate complexing sequence |
| CN103383350A (en) * | 2013-06-28 | 2013-11-06 | 中国丝绸博物馆 | Non-constructive detection method for dyes on textile antiques |
| CN104634632A (en) * | 2015-01-29 | 2015-05-20 | 华东理工大学 | Method for stripping dyes on dyed silk fabrics |
| CN105136772A (en) * | 2015-08-26 | 2015-12-09 | 浙江理工大学 | Raman spectrum discriminating method of natural dyeing silk fabrics |
| CN105572263A (en) * | 2016-02-26 | 2016-05-11 | 夏兆鹏 | Identification method of pterocarpus santalinus wood and pterocarpus tinctorius wood and products of pterocarpus santalinus wood and pterocarpus tinctorius wood |
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| CN106770260A (en) | 2017-05-31 |
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