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GB/T 30303-2013 English PDF

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GB/T 30303-2013: Test method of methylamines and methylamines water solution for industrial use
Status: Valid
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GB/T 30303-2013English579 Add to Cart 5 days [Need to translate] Test method of methylamines and methylamines water solution for industrial use Valid GB/T 30303-2013

PDF similar to GB/T 30303-2013


Standard similar to GB/T 30303-2013

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Basic data

Standard ID GB/T 30303-2013 (GB/T30303-2013)
Description (Translated English) Test method of methylamines and methylamines water solution for industrial use
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G17
Classification of International Standard 71.080.30
Word Count Estimation 25,231
Quoted Standard GB/T 601; GB/T 603; GB/T 6283-2008; GB/T 6682; GB/T 9722
Regulation (derived from) National Standards Bulletin 2013 No. 27
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 test methods for industrial use methylamines and methylamine aqueous solution. This standard applies to continuous vapor phase catalytic ammoniated methanol produced a methylamine, dimethylamine, trimethylamine determination and pr

GB/T 30303-2013: Test method of methylamines and methylamines water solution for industrial use

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Test method of methylamines and methylamines water solution for industrial use ICS 71.080.30 G17 National Standards of People's Republic of China Industrial Test Method for methylamine and aqueous methylamine Issued on. 2013-12-31 2014-08-01 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. The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry Organic Chemicals Branch (SAC/TC63/SC2) centralized. This standard was drafted. Zhejiang Jiangshan Chemical Co., Ltd., China Petroleum & Chemical Corporation Beijing Chemical Engineering Institute, Shandong Huaneng Power Chemical Corporation, Anyang nine days Fine Chemical Co., Ltd. Participated in the drafting of this standard. Jiangsu Suqian New Asia Technology Limited. The main drafters of this standard. tube Jianping, Zhao Xiuying, Jiangshuang Ying, Yu Huang, Wang Yiming, Dongshan Min, Hu Yanzhao wind, Wang Shaofeng. Industrial Test Method for methylamine and aqueous methylamine

1 Scope

This standard specifies the test methods for industrial methylamine and methylamine aqueous solution. This standard applies to continuous gas phase catalytic ammoniated methanol production monomethylamine, dimethylamine, trimethylamine determination and preparation of an aqueous solution.

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. Preparation of GB/T 601 chemical reagent standard titration solution GB/T 603 chemical reagent in test methods - Preparations with GB/T 6283-2008 Determination of moisture content of chemical products Karl Fischer method (General method) Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 9722 General chemical reagent gas chromatography Test Method 3 Warning. some of the test methods prescribed test procedures may lead to dangerous test case, the operator should take appropriate safety and health practices. 3.1 General provisions Unless otherwise indicated in the analysis using only recognized as analytical reagents and in line with GB/T 6682 tertiary water. Analysis in the standard titration solution, impurity measurement standard solution, did not indicate when the other requirements, according to GB/T 601, GB/T 603 Preparation of the provisions. Test Method 3.2 methylamine 3.2.1 Preparation of test solution 3.2.1.1 Reagents Isopropyl alcohol. not included under the chromatographic conditions used can not be separated from the test sample component substances. 3.2.1.2 Procedure Weigh 60mL ~ 80mL isopropanol placed in a glass vial, the sample at a constant speed through into isopropanol, access control samples Speed \u200b\u200bdoes not appear to white smoke appropriate. Click to quality were obtained monomethylamine, dimethylamine and trimethylamine test solution, the test solution and control Attained Number. monomethylamine about 40%; about 40% dimethylamine; trimethylamine is about 30%. Weighing before and after absorbing quality of the sample vial, both of The difference is the quality of the sample, all said the exact volume to 0.1g. 3.2.2 Determination of the main component content and the content of impurity components 3.2.2.1 Method summary By gas chromatography under the selected chromatographic conditions of work, take the liquid to be tested 3.2.1 prepared vaporized through the column so

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