Some standard content:
ICS71.100.01;87.060.10
Registration No.: 4079—1999
Chemical Industry Standard of the People's Republic of China
HG/T 3632—1999
Sulfur Black S-BR
(Soluble Sulphur Black BR)
Published on August 12, 1999
State Administration of Petroleum and Chemical Industry
Implemented on October 1, 2000
W.bzsoso.cOIHG/T3632—1999
This standard refers to the relevant provisions of the national standard GB/T2376—80 "Determination of color and intensity of sulphur dyes", and determines the test method on the basis of experimental verification. Based on the quality data of the products of the relevant manufacturers and on the basis of extensive consultation with manufacturers and users, the inspection items and technical indicators have been formulated. This standard was proposed by the Technical Supervision Department of the former Ministry of Chemical Industry of the People's Republic of China. This standard is technically managed by the National Technical Committee for Dye Standardization. The responsible drafting units of this standard are: Shenyang Chemical Research Institute, Dalian Xuanshun Jiangxi Chemical Industry Company, Shanxi Linfen Dye Factory. The main drafters of this standard are: Ji Lanqin, Bai Jiao, Wang Xianfa, Sun Bingge. I
W.bzsoso.cOm1 Scope
Chemical Industry Standard of the People's Republic of China
Sulfur Black S-BR (Water-soluble Sulfur Black BR) Sulphur Black S-BR (Soluble Sulphur Black BR) HG/T3632—1999
This standard specifies the requirements, sampling, test methods, inspection rules, and marking, packaging, transportation and storage requirements of sulphur black S-BR (CI soluble sulphur black 1).
This standard is applicable to sulphur black S-BR prepared by the reaction of the oxidation water-washed filter cake of double sulphur black with sodium pyrosulfite. This product is mainly used for dyeing cotton textiles and leather.
2 Referenced Standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T2374—1994 General conditions for dyeing determination GB/T2376—1980 Method for determination of color light and intensity of sulphur dyes GB/T2381—1994 Method for determination of insoluble matter content in dyes GB/T2383—1980 Method for determination of sieve fineness of dyes GB/T2386—1980 Method for determination of moisture content in dyes and dye intermediates GB/T3671.1—1996 Determination of solubility and solution stability of water-soluble dyes (idt ISO105-Z07:1995) GB/T3920—1997 Textiles - Test for color fastness - Color fastness to rubbing (eqv ISO105-X12:1993) GB/T3921.4—1997 Textiles - Test for color fastness - Washing Color fastness (eqvISO105-c04:1989) GB/T3922—1995 Textiles - Test method for color fastness to perspiration (eqvISO105-E04:1994) GB/T4841.2—1984 Standard depth color chart for dyeing with navy blue and black dyes GB/T5713—1997 Textiles - Test for color fastness - Color fastness to water (eqvISO105-E01:1994) GB/T6152—1997
Test for color fastness Color fastness to hot pressing (eqvISO105-x11:1994) Textiles
GB/T8427—1998
Textiles
3 Requirements
3.1 Appearance: black uniform powder or granules. Color fastness test Color fastness to artificial light Xenon arc (eqvISO105-B02:1994) 3.2 The quality of sulfur black S-BR should meet the requirements of Table 1. Approved by the State Bureau of Petroleum and Chemical Industry on August 12, 1999 and implemented on October 1, 2000
W.bzsoso.cOm1. Spectral intensity, points
2. Intensity, points
4. Content of impurities insoluble in water, %
HG/T3632-1999
Table 1, quality requirements of sulfur black S-BR
5. Fineness (content of residue passing through 590μm sieve), %6. Moisture content, %
7. Solubility, 8/L (60℃)
Note: The fineness of anti-dust granular dyes is exempted from inspection. >
3.3 The color fastness of sulfur black S-BR on cotton fabrics shall not be lower than that specified in Table 2. Table 2 Color fastness of sulfur black S-BR on cotton fabrics Dyeing
(Xenon arc)
Color change cotton stain
4~54~5
Note: 6% (owf) is equivalent to 1/1 dyeing standard depth 4 Sampling
100±5
100% of the standard
Similar to the standard~slightly
Hot pressing resistance
200℃
Color change cotton stain
Friction resistancebZxz.net
2~31~2
Sampling is performed from 10% barrels of each batch (with uniform products as a batch), and small batches of products shall not be less than 3 barrels. When sampling, use a probe to take samples including the upper, middle and lower parts, and the sampling amount shall not be less than 200g. Mix the sample carefully and pack it into two clean and dry brown glass bottles with ground stoppers and seal them with paraffin. Paste labels on the bottles, indicating the manufacturer name, product name, batch, and sampling date. One bottle is used for inspection and the other is kept for future reference.
5 Test method
5.1 Determination of appearance
Visual determination is adopted.
5.2 Determination of spectral intensity
5.2.1 Instrument
5.2.1.1766MC spectrophotometer or spectrophotometer with equivalent function. 5.2.1.2 Cuvette: 10mm.
5.2.1.3 Balance: sensitivity 0.0001g.
5.2.1.4 Volumetric flask: 500mL, 100mL. 5.2.2 Determination
Weigh 1g of standard sample and sample (accurate to 0.0005g), place them in beakers, dissolve them with distilled water and transfer them to a 500mL volumetric flask, dilute them to the mark with distilled water, and shake them. Take 2mL of standard solution and sample solution respectively, dilute them to 100mL with distilled water, and measure their optical density values at a wavelength of 625nm (allowable error ±5nm) with a spectrophotometer. 5.2.3 Calculation
The spectral intensity can be calculated according to formula (1):
W.bzsoso.cOIWhere: F—spectral intensity,
Ei——optical density value of standard solution;
E2——optical density value of sample solution.
5.3 Determination of dyeing shade and intensity
5.3.1 General conditions for dyeing
HG/T3632—1999
Perform in accordance with the relevant provisions of GB/T2374 and GB/T2376. 5.3.2 Preparation of dye bath
Dyeing depth is 1.5%; 5g cotton cloth (cotton yarn); bath ratio is 1:40. (1)
Weigh 0.75g of the standard sample and test sample (accurate to 0.0005g), place them in a 300mL beaker, mix them into a slurry with a small amount of distilled water, add 50mL of distilled water at about 60℃, and after it is completely dissolved, add 11.3mL of 100g/L sodium sulfide (calculated as 100%) solution (dye: sodium sulfide = 1:1.5), stir well, add 150mL of 60℃ distilled water, stir well, cool, transfer to a 500mL volumetric flask, and dilute to the scale with distilled water. The dye solution used for each dyeing must be prepared in five 300mL dyeing tanks as needed, and the dye bath must be prepared according to the provisions of Table 3. Table 3 Preparation of dye bath
Dyeing tank number
Standard solution with a concentration of 0.75g/500mL
Test solution with a concentration of 0.75g/500mL
100g/L anhydrous sodium sulfate solution
50g/L anhydrous sodium carbonate solution
Add distilled water to
5.3.3 Dyeing operation
After the dyeing solution is prepared, place the dyeing tank in a water bath to prepare for dyeing. The dyeing temperature is 30-40℃. Stir frequently when dyeing. Raise the temperature to 90-95℃ within 30min. Dye at this temperature for 45min. After dyeing, take out the dyed sample, immediately put it into running water for thorough rinsing, take it out and wring it dry (do not wring the cotton cloth dry), ventilate it for 10min, wash it with clean water, dry it naturally or dry it at 60℃. 5.3.4 Evaluation of intensity and color light
Perform according to the relevant provisions of GB/T2374. 5.4 Determination of color fastness on cotton fabrics
The determination of color fastness to rubbing shall be carried out in accordance with the provisions of GB/T3920. The determination of color fastness to washing shall be carried out in accordance with the provisions of GB/T3921.4. The determination of color fastness to perspiration shall be carried out in accordance with the provisions of GB/T3922. The determination of color fastness to water shall be carried out in accordance with the provisions of GB/T5713. The determination of color fastness to hot pressing shall be carried out in accordance with the provisions of GB/T6152, dry pressing at 200℃. The determination of color fastness to light shall be carried out in accordance with the provisions of GB/T8427. 5.5 Determination of the content of impurities insoluble in water
Perform according to the relevant provisions of GB/T2381. 5.6 Determination of moisture content
Perform according to the provisions of "drying method" in GB/T2386-80. 5.7 Determination of fineness
Perform according to the provisions of GB/T2383. The standard sieve aperture used is 590μm. 3
W.bzsoso：com5.8 Determination of solubility
HG/T3632—1999
Perform according to the provisions of GB/T3671.1. The dissolving temperature is 60℃. 6 Inspection rules
6.1 Inspection classification
3.1~3.3 in this standard are type inspection items, of which 3.1~3.2 are factory inspection items. Each item in 3.3 shall be inspected once a year during continuous normal production.
6.2 Factory Inspection
Sulfur Black S-BR shall be inspected by the quality inspection department of the manufacturer in accordance with the requirements of this standard. The manufacturer shall ensure that all sulfur black S-BR products shipped out of the factory meet the requirements of this standard. Each batch of sulfur black S-BR shipped out of the factory shall be accompanied by a quality certificate in a certain format. 6.3 User Inspection
The user unit has the right to inspect and accept the sulfur black S-BR received in accordance with the provisions of this standard to inspect whether it meets the requirements of this standard.
6.4 Re-inspection
If one of the indicators in the inspection results does not meet the requirements of this standard, samples should be taken from twice the amount of packaging for re-inspection. If the result of the re-inspection shows that even if only one indicator does not meet the requirements of this standard, the entire batch of products cannot be accepted. 7 Marking, packaging, transportation and purchase and storage
7.1 Marking
The outer packaging of Sulphur Black S-BR should be painted with a firm mark, indicating: the name of the manufacturer, the address of the factory, the name of the product, the registered trademark, the batch number, the production date and the net content, and attached with a product quality certificate. 7.2 Packaging
Sulphur Black S-BR is packed in iron barrels lined with plastic bags, with a net content of 25kg or 50kg per barrel. Each batch of packaged products should be accompanied by a quality certificate in a certain format. The certificate includes: the name of the manufacturer, the address of the factory, the name of the product, the batch number, the production date, the date of ex-factory, the net content of the product, the certificate that the product quality meets the requirements of this standard and the number of this standard. Other packaging can be determined by negotiation with the user. 7.3 Transportation
Avoid strong vibration during transportation, and be careful when handling, fire, sun and rain. Do not damage the packaging. 7.4 Storage
The product should be stored in a cool, dry and ventilated warehouse. 4
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