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GB/T 23979.1-2009: Fluorescent whitening agents -- Determination of relative whiteness and shade -- Dyeing method for cotton fabric
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 23979.1-2009 | English | 189 |
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Fluorescent whitening agents -- Determination of relative whiteness and shade -- Dyeing method for cotton fabric
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GB/T 23979.1-2009
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Basic data | Standard ID | GB/T 23979.1-2009 (GB/T23979.1-2009) | | Description (Translated English) | Fluorescent whitening agents -- Determination of relative whiteness and shade -- Dyeing method for cotton fabric | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | G55 | | Classification of International Standard | 71.100.01; 87.060.10 | | Word Count Estimation | 8,847 | | Date of Issue | 2009-06-02 | | Date of Implementation | 2010-02-01 | | Quoted Standard | GB/T 2374-2007; GB/T 6682-2008; GB/T 9338; HG/T 2609-1994 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.8 (Total No.148) | | 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 the method for determination of cotton fabric when fluorescent whitening whitening whitening intensity and shade. This standard applies to the determination of cotton fabrics fluorescent whitening whitening whitening radians and shade. | GB/T 23979.1-2009: Fluorescent whitening agents -- Determination of relative whiteness and shade -- Dyeing method for cotton fabric
---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.
Fluorescent whitening agents. Determination of relative whiteness and shade. Dyeing method for cotton fabric
ICS 71.100.01; 87.060.10
G55
National Standards of People's Republic of China
Determination of fluorescent whitening agent intensity and shade
Cotton fabric dyeing method
Posted 2009-06-02
2010-02-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
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. Shenzhen Pan Sheng Plastic Additives Co., Ltd., Shenyang Chemical Research Institute, the National Quality Supervision and Inspection Center dye.
The main drafters of this standard. Ma Junqing, Liangpei Ji, Ji Lan Qin, Wu Jiuying, Dong Zhongsheng.
Determination of fluorescent whitening agent intensity and shade
Cotton fabric dyeing method
1 Scope
This standard specifies the determination method fluorescent whitening whitening whitening cotton fabric strength and shade.
This standard applies to the determination of cotton fabric whitening fluorescent whitening agent intensity and shade.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
General conditions GB/T 2374-2007 Determination of dyes provisions
GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD)
GB/T 9338 relative fluorescent whitening whiteness measuring instrument method (GB/T 9338-2008, ISO 105-J02.1997,
MOD)
HG/T 2609-1994 standard test dye bleached cotton
3 equipment and materials
Equipment and materials shall comply with GB/T 2374-2007 relating to equipment and materials; experimental water should comply with GB/T 6682-
2008 three water requirements.
a) white Instrument. should meet GB/T 9338 requirements;
b) analytical balance. a sense of the amount of 0.0001g;
c) cotton. meet HG/T 2609-1994 requirements.
4 Determination
4.1 General provisions
Depending on the nature of the product, the amount of depth dyeing, dyeing temperature, dyeing time and sulfates of specific provisions in the product standard, usually at
The range of options.
Dyeing Depth. 0.02% (owf) ~ 0.2% (owf);
Dyeing cotton. 5g;
Dyeing bath ratio. 1.40;
Dyeing temperature. 50 ℃ ~ 90 ℃;
Staining time. 30min;
Anhydrous sodium sulfate. 10% (owf) ~ 50% (owf).
4.2 fabric pretreatment
Will be referred to a good cotton cloth into distilled water, boiled for 30min, then rinsed with distilled water and gently out excess water and set aside.
4.3 dye bath formulation
When the dye bath formulation should be appropriate to the dark room, away from sunlight test sample.
To stain the depth of 0.05% (owf), anhydrous sodium sulfate in an amount of 20% (owf), for example, by the following preparation of dye bath.
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