GB/T 2381-2013 English PDF

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GB/T 2381-2013: Dyestuffs and intermediate of dyestuffs -- Determination of content of insoluble matters
Status: Valid

GB/T 2381: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2381-2013	139	Add to Cart	3 days	Dyestuffs and intermediate of dyestuffs -- Determination of content of insoluble matters	Valid
GB/T 2381-2006	239	Add to Cart	2 days	Dyestuffs and intermediate of dyestuffs -- Determination of content of insoluble matters	Obsolete
GB/T 2381-1994	199	Add to Cart	2 days	Determination of content of insoluble matters in dyestuffs	Obsolete
GB 2381-1980	199	Add to Cart	2 days	Determination of the content of insoluble matter in dyestuff	Obsolete

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GB/T 23978   GB/T 24164   GB/T 2374   GB/T 2391   GB/T 2384   

Basic data

Standard ID: GB/T 2381-2013 (GB/T2381-2013)
Description (Translated English): Dyestuffs and intermediate of dyestuffs -- Determination of content of insoluble matters
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G55
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 6,637
Older Standard (superseded by this standard): GB/T 2381-2006
Quoted Standard: GB/T 2374-2007; GB/T 6682-2008; GB/T 8170-2008
Regulation (derived from): National Standards Bulletin 2013 No. 10
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: Determination of substance content insoluble dyes and dye intermediates. This standard applies to all types of water-soluble dyes, sulfur dyes, phenols and color base color and dye intermediates contained insoluble matter content

GB/T 2381-2013: Dyestuffs and intermediate of dyestuffs -- Determination of content of insoluble matters

---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.
Dyestuffs and intermediate of dyestuffs. Determination of content of insoluble matters ICS 71.100.01; 87.060.10 G55 National Standards of People's Republic of China Replacing GB/T 2381-2006 Dyes and dye intermediates Determination of insoluble matter content Issued on. 2013-07-19 2013-12-01 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 2381-2006 "Determination of dyes and dye intermediates insoluble substance content", and GB/T 2381-2006 Compared to, in addition to editorial changes outside the main technical changes are as follows. --- Improve the dissolution method and washing intermediates (see 615, 635, 2006 edition 6.1.5,6.3.5...); --- Increasing the representation content (see 6.5.1). 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. Run soil Zhejiang, Taizhou City, product quality supervision, inspection, Shenyang Chemical Research Institute Co., Ltd. The main drafters of this standard. Kathy Chan, Wang Yong, Chen Yan. This standard replaces the standards previously issued as follows. --- GB 2381-1980, GB/T 2381-1994, GB/T 2381-2006. Dyes and dye intermediates Determination of insoluble matter content

1 Scope

This standard specifies the method for determination of the content of substances insoluble dyes and dye intermediates. This standard applies to all types of water-soluble dyes, insoluble sulfur content of the test substance, color and color-based phenol and dye intermediates contained.

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 GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) GB/T 8170-2008 revised value represents about rules and limit values \u200b\u200band judgment Principle 3 The dye or dye intermediate fully dissolved in a suitable solvent and then filtered through a filter of a particular specification, fully washed with permanent Determination of the amount of insoluble matter content.

4 Reagents and materials

Reagents and materials shall comply with the relevant provisions of GB/T 2374-2007 in Chapter 3. Test water should be consistent with GB/T 6682-2008 The three water requirements. 5. Apparatus Instruments and equipment shall comply with the relevant provisions of GB/T 2374-2007 in Chapter 4. 5.1 G3 filter, when recycled, the range of weight loss does not exceed 0.01g; if necessary use G4 filters, indicated in product standards; 5.2 electric oven; 5.3 Balance. a sense of not more than 0.0001g; 5.4 vacuum pump; 5.5 suction bottles.

6 Test methods

6.1 dye is dissolved 6.1.1 dissolve water-soluble dye Weigh about 1g dye sample (accurate to 0.0002g), placed in 800mL beaker, with a little distilled water into a paste, add ......

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