GB/T 23676-2009 English PDF

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GB/T 23676-2009: Naphthol AS-BI
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 23676-2009	189	Add to Cart	3 days	Naphthol AS-BI	Valid

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Basic data

Standard ID: GB/T 23676-2009 (GB/T23676-2009)
Description (Translated English): Naphthol AS-BI
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G56
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 8,897
Date of Issue: 2009-04-24
Date of Implementation: 2009-12-01
Regulation (derived from): PRC National Standard Approval Announcement 2009 No.6 (Total No.146)
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 requirements Naphthol AS-BI products, sampling, test methods, inspection rules and signs, labels, packaging, transport and storage. This standard applies to Naphthol AS-BI product quality control.

GB/T 23676-2009: Naphthol AS-BI

---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.
Naphthol AS-BI ICS 71.100.01; 87.060.10 G56 National Standards of People's Republic of China Naphthol AS-BI Posted 2009-04-24 2009-12-01 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. Shenyang Chemical Research Institute. The main drafters of this standard. Pu Aijun. Naphthol AS-BI Warning --- personnel should use this standard regular laboratory work experience. This standard does not point out all possible security asked question. Users have the responsibility to take appropriate safety and health practices and to ensure compliance with the conditions relevant national regulations.

1 Scope

This standard specifies requirements for Naphthol AS-BI products, sampling, test methods, inspection rules and signs, labels, packaging, transportation, Storage. This standard applies to Naphthol AS-BI product quality control. Structure. Molecular formula. C18H13N3O3 Molecular weight. 319.31 (according to 2007 international relative atomic mass) CASRN. 26848-40-8

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. GB/T 2381-2006 Determination of substance content of dye and dye intermediates insoluble Determination of GB/T 2386-2006 dyes and dye intermediates moisture GB/T 6678-2003 General Principles for Sampling Chemical Products 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

3 Requirements

Quality requirements Naphthol SA-BI should meet the requirements in Table 1. Table 1 Quality requirements of Naphthol AS-BI Item Index The appearance of yellow or brown powder Naphthol AS-BI purity (HPLC) /% ≥ 99.00 Hydroxy-3-naphthoic acid content (HPLC) /% ≤ 0.30 The content of 5-amino-benzimidazolone (HPLC) /% ≤ 0.20 Alkali-insoluble matter mass fraction /% ≤ 0.50 Moisture content /% ≤ 0.30 ......

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