GB/T 2375-2013Direct dyes - Determination of dyeing shade and relative strength (English PDF)
直接染料 染色色光和强度的测定
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
July 19, 2013
Implementation date
December 1, 2013
Scope
GB/T 2375-2013 is the English-translated version of 直接染料 染色色光和强度的测定.
GB/T 2375-2013 is the Chinese standard "Direct dyes - Determination of dyeing shade and relative strength". Its scope clause reads: This standard specifies the method for determination of direct dyeing shade and relative strength.
This standard applies to the determination of shade and intensity of direct dyes on cotton textiles. Its clauses include reagents and materials; test methods.
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Document preview — GB/T 2375-2013
National Standard of the People's Republic of China
- ICS
- 87.060.10
- Classification
- G 55
- Replacing
- GB/T 2375-2003
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 4 Reagents and materials
- 6 Test methods
1 Scope
This standard specifies the method for determination of direct dyeing shade and relative strength.
This standard applies to the determination of shade and intensity of direct dyes on cotton textiles.
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
Using standard samples and specimens of the same species in the same conditions on certain cotton textile dyeing specifications. In standard sample
The staining intensity of 100 points, as the standard shade, visual comparison, evaluation of shade and strength of the sample or samples measured by color measurement shade
And strength.
4 Reagents and materials
The reagents used should be consistent with GB/T 2374-2007 the provisions of Chapter 3.
5. Apparatus
The equipment shall comply with GB/T 2374-2007 in Chapter 4.
5.1 Analysis of balance
a sense of not more than 0.0001g.
5.2
laboratory dyeing machine.
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 preparation of dye
Weigh the sample and the standard sample of several grams (accurate to 0.0005g), each placed in 400mL beaker were added 20mL ~ 30mL
Hot water (80 °C ~ 90 °C), stirring with a glass rod into a paste, then add about 200mL each hot water (80 °C ~ 90 °C), stirring to make it dissolve […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Cited by
- HG/T 2588-2012Direct brilliant yellow 4R
- HG/T 2748-2012Direct red B (C.I. Direct Red 23)
- HG/T 4426-2012Leather Black S (C.I. Direct Black 168)
- GB/T 25812-2010Standard bleached cotton fabric used for dyeing text
- HG/T 3390-2010Direct pink 5B (C.I. Direct Red 31)
- HG/T 3391-2010Direct grey D (C.I. Direct Black 17)
Similar standards
Editions of GB/T 2375
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 2375-2013 | Direct dyes - Determination of dyeing shade and relative strength | current edition | Current |
| GB/T 2375-2003 | Direct dyes - Determination of dyeing shade and relative strength | previous edition | Superseded |
This page sells the current edition, GB/T 2375-2013. Earlier editions are listed for reference only.
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