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GB/T 2376: Historical versions
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| GB/T 2376-2013 | English | 189 |
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Sulphur dyes -- Determination of dyeing shade and relative strength
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| GB/T 2376-2003 | English | 199 |
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Sulphur dyes -- Determination of dyeing shade and relative strength
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| GB/T 2376-1980 | English | 199 |
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Method for the determination of shade and colouring strength for sulfur dyes
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Basic data
| Standard ID | GB/T 2376-2013 (GB/T2376-2013) |
| Description (Translated English) | Sulphur dyes -- Determination of dyeing shade and relative strength |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | G55 |
| Classification of International Standard | 71.100.01; 87.060.10 |
| Word Count Estimation | 8,846 |
| Older Standard (superseded by this standard) | GB/T 2376-2003 |
| Quoted Standard | GB/T 2374-2007; GB/T 6688-2008 |
| Regulation (derived from) | National Standards Bulletin 2013 No. 17 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies: sulfur dyeing shade and intensity determination. This standard applies to: sulfur, sulphide vat dyes, water-soluble sulfur dyeing shade and intensity determination. |
GB/T 2376-2013: Sulphur dyes -- Determination of dyeing shade and relative strength
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Sulphur dyes. Determination of dyeing shade and relative strength
ICS 71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Replacing GB/T 2376-2003
Determination of sulfur dyeing shade and relative strength
Issued on. 2013-09-06
2014-01-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard replaces GB/T 2376-2003 "sulfur dyeing shade and relative strength" compared with GB/T 2376-2003,
The main technical changes in addition to editorial changes outside as follows.
--- Altered the dyeing bath expressions (see 6.2.2 and 631, 2003 edition of 6.1.3 and 6.2.2.);
--- Increasing the dye bath formulation table (see 6.2.3 and 6.3.2 in Table 1 Table 2);
--- Modify the conditions of curing vat dyes representation (see 631, 2003 version 6.2.2.);
--- Test method for increasing the water-soluble sulfur dyes (see 6.4);
--- The evaluation of results is incorporated into one, and clearly the results of the two methods of assessment (see 6.5, 6.1.6, and the 2003 edition
6.2.6);
--- Modify the content of the test report (see Chapter 7, Chapter 7, 2003 edition).
The standard proposed by China Petroleum and Chemical Industry Association.
This standard by the National Standardization Technical Committee Dye (SAC/TC134) centralized.
This standard was drafted. Bengbu City, the company dye Chemical Co., Ltd., Shenyang Chemical Research Institute Co., Ltd.
The main drafters of this standard. Cai Ruilin, Yanggui Fang, Qiu Yong.
This standard replaces the standards previously issued as follows.
--- GB 2376-1980, GB/T 2376-2003.
Determination of sulfur dyeing shade and relative strength
1 Scope
This standard specifies the method for determination of sulfur dyeing shade and intensity.
This standard applies to sulfur dyes, vat dyes sulfide, a water-soluble sulfur determination of shade and coloring strength.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
General conditions GB/T 2374-2007 Determination of dyes provisions
Determination of GB/T 6688-2008 relative dye strength and color of the instrumental method
Principle 3
Sulfur standard sample and a sample of the same species under the same conditions, the cotton fiber dyeing. Stained by a standard sample
Color strength of 100 points, as the standard shade, visual comparison, evaluation of shade and strength of the sample. Or color measurement instrument for color measurement and calculation
The shade and strength of the sample.
4 Reagents and materials
Reagents and materials shall comply with the relevant provisions of GB/T 2374-2007 in Chapter 3.
5. Apparatus
Instruments and equipment shall comply with the relevant provisions of GB/T 2374-2007 in Chapter 4.
6 Test methods
6.1 General Conditions
Dyeing general conditions shall be consistent with the relevant provisions of GB/T 2374-2007 of. Select the staining method shall be based on the specific variety, performance, to
Color force to the highest principle. Dyeing depth depending on the selected varieties, to meet the clear sub-file principle.
6.2 sulfur dyes
6.2.1 preparation of dye solution
Said sample and standard samples taken several dye g (accurate to 0.001g), each placed in 300mL beaker were added the right amount of vulcanization
Solution of sodium (the amount of sodium sulfide dye products specified in the standard), mix well and add boiling water 50mL, after stir evenly placed in boiling water bath
Boiled 15min, then add boiling water 200mL, stir until cooled to room temperature and transferred to 500mL volumetric flask, red water beaker
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