GB/T 25786-2016 English PDF

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GB/T 25786-2016: 2-amino-4-acetamino anisole
Status: Valid

GB/T 25786: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25786-2016	199	Add to Cart	3 days	2-amino-4-acetamino anisole	Valid
GB/T 25786-2010	150	Add to Cart	Auto, < 3 mins	2-Amino-4-acetamino anisole	Obsolete

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Basic data

Standard ID: GB/T 25786-2016 (GB/T25786-2016)
Description (Translated English): 2-amino-4-acetamino anisole
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G56
Classification of International Standard: 71.100.01; 87.060.10
Word Count Estimation: 10,160
Date of Issue: 2016-12-30
Date of Implementation: 2017-07-01
Older Standard (superseded by this standard): GB/T 25786-2010
Regulation (derived from): National Standard Notice No.27 of 2016
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

GB/T 25786-2016: 2-amino-4-acetamino anisole

---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.
2-Amino-4-acetamino anisole ICS 71.100.01; 87.060.10 G56 National Standards of People's Republic of China Replace GB/T 25786-2010 2016-12-30 release 2017-07-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 25786-2010 "2-amino-4-acetylaminoanisole", compared with GB/T 25786-2010, in addition to editing The main technical changes are as follows. --- Modification of 2-amino-4-acetylaminoanisole The mass fraction (amino value, dry product) is 2-amino-4-acetylaminoanisole Quality Score Control Project (see Chapter 3, Chapter 3 of the.2010 edition); --- Control items and methods of determining the mass fraction of moisture (see Chapter 3, 5.5 of the.2010 edition); --- re-set the product specifications and grades, an increase of liquid product specifications (see Chapter 3); - Increased sampler requirements and liquid product sampling requirements (see Chapter 4); --- modified the appearance of the assessment method (see 5.2,.2010 version 5.2); - a method for calculating the mass fraction of 2-amino-4-acetylaminoanisole (see 5.3.4, 5.3.3 of.2010); - increase the column temperature of the chromatographic operating conditions to 40 ° C (see 5.4.4.4); - the deletion of the "Product Production License Number and Mark (if applicable)" in the logo (7.1 of the.2010 edition); - Increased net range (see 7.3). This standard is proposed by the China Petroleum and Chemical Industry Association. This standard is under the jurisdiction of the National Dye Standardization Technical Committee (SAC/TC134). The drafting of this standard. Zhejiang Jihua Group Co., Ltd., Zhejiang Hongsheng Chemical Co., Ltd., Shenyang Chemical Industry Research Institute Co., Ltd., National Dye Quality Supervision and Inspection Center. The main drafters of this standard. Hu Huimu, Pu Aijun, Gu Qilong, Chen Meifen, Tao Jianguo, Lv Shuang, Hu Zhiwen. This standard replaced the previous version of the standard release. --- GB/T 25786-2010. 2-amino-4-acetylaminoanisole

1 Scope

This standard specifies the requirements, sampling, test methods, inspection rules, and labeling, labeling, and packaging of 2-amino-4-acetylamidanisole products. Equipment, transportation and storage. This standard is applicable to the product quality control of 2-amino-4-acetylaminoanisole. Structure. Molecular formula. C9H12N2O2 Relative molecular mass. 180.20 (according to.2013 International relative atomic mass) CASRN. 6375-47-9

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. Preparation of standard titration solution for GB/T 601 chemical reagents Preparation of preparations and preparations for use in the test methods for chemical reagents GB/T 603 General rules for sampling of chemical products GB/T 6678-2003 General rules for sampling of solid chemical products GB/T 6679-2003 General rules for sampling of liquid chemical products GB/T 6680-2003 GB/T 6682 Analytical laboratory water specifications and test methods Representation and Judgment of Numerical Correction Rule and Limit Value in GB/T 8170-2008

3 request

The quality requirements of 2-amino-4-acetylaminoanisole should be in accordance with Table 1. Table 1 2-amino-4-acetylaminoanisole quality requirements Serial number item index Powdery Excellent product qualified products Liquid experiment method 1 Appearance Gray to tan crystal Gray to tan brown brown crystal 5.2 ......

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