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GB/T 23979.1-2009 English PDF

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US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 23979.1-2009: Fluorescent whitening agents -- Determination of relative whiteness and shade -- Dyeing method for cotton fabric
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23979.1-2009	189	Add to Cart	3 days	Fluorescent whitening agents -- Determination of relative whiteness and shade -- Dyeing method for cotton fabric	Valid

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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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 23979.1-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 23979.1-2009_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 23979.1-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 23979.1-2009_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.