GB/T 15895-2021 English PDF

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GB/T 15895-2021: Chemical reagent - 1, 2-Dichloroethane
Status: Valid

GB/T 15895: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 15895-2021	119	Add to Cart	3 days	Chemical reagent - 1, 2-Dichloroethane	Valid
GB/T 15895-1995	159	Add to Cart	2 days	Chemical reagent. 1，2-Dichloroethane	Obsolete

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Basic data

Standard ID: GB/T 15895-2021 (GB/T15895-2021)
Description (Translated English): Chemical reagent - 1, 2-Dichloroethane
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G63
Word Count Estimation: 6,614
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 15895-2021: Chemical reagent - 1, 2-Dichloroethane

---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.
Chemical reagent - 1, 2-Dichloroethane ICS 71.040.30 CCSG63 National Standards of People's Republic of China Replace GB/T 15895-1995 Chemical reagent 1,2-dichloroethane Released on 2021-08-20 2022-03-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 15895-1995 "Chemical Reagent 1,2-Dichloroethane", compared with GB/T 15895-1995, except for the structure In addition to adjustments and editorial changes, the main technical changes are as follows. ---Added the technical requirements and measurement methods of density (see Chapter 5, 6.4); ---The technical requirements and determination methods of the content have been changed, and the analytical pure technical requirements have been adjusted from "≥99.0%" to "≥99.5%"; chemically pure The technical requirements are adjusted from "≥98.5%" to "≥99.0%" (see Chapter 5, 6.2, 3.1 and 4.1 of the.1995 edition); ---The unit of acidity has been changed from "mmol/100g" to "mmol/g" (see Chapter 5, 3.4 in the.1995 edition); ---Changed the packaging and markings (see Chapter 8, Chapter 6 of the.1995 edition); --- The boiling point requirement and measurement method have been deleted (see 3.3 and 4.3 in the.1995 edition). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by the China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the Chemical Reagent Subcommittee of the National Chemical Standardization Technical Committee (SAC/TC63/SC3). Drafting organizations of this document. Jiangsu Qiangsheng Functional Chemistry Co., Ltd., Beijing Chemical Reagent Research Institute Co., Ltd., National Chemical Reagent Quality Supervision and Inspection Center. The main drafters of this document. Gui Xianghong, Zhou Yi, Ying Li, Han Baoying, Wang Yuhua, Zhao Jifei, Huo Jianzeng, Du Weiqiang. The previous versions of this document and the documents replaced are as follows. ---First published in.1995 as GB/T 15895-1995; ---This is the first revision. Chemical reagent 1,2-dichloroethane Warning. Some test procedures specified in this document may lead to dangerous situations, and the user is responsible for taking appropriate safety and health measures.

1 Scope

This document specifies the technical requirements, test and inspection rules, packaging and marking of the chemical reagent 1,2-dichloroethane. This document is applicable to the inspection of the chemical reagent 1,2-dichloroethane. Indicative formula. CH2ClCH2Cl Relative molecular mass. 98.95 (according to.2018 international relative atomic mass) CAS Number. 107-06-2

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 601 Preparation of Standard Titration Solution for Chemical Reagents GB/T 602 Preparation of standard solutions for impurity determination of chemical reagents Preparation of preparations and products used in GB/T 603 chemical reagent test method GB/T 605 General method for color determination of chemical reagents GB/T 606 General method for moisture determination of chemical reagents Karl Fischer method GB/T 611-2021 General method for density determination of chemical reagents GB/T 6682 Analytical laboratory water specifications and test methods GB/T 9722-2006 General Rules of Gas Chromatography for Chemical Reagents GB/T 9729 General method for determination of chloride in chemical reagents GB/T 9736-2008 General method for determination of acidity and alkalinity of chemical reagents GB/T 9737 General Rules for the Determination of Easily Carbonized Substances in Chemical Reagents GB/T 9740 General method for determination of evaporation residue of chemical reagents GB 15258 Regulations for the preparation of chemical safety labels GB 15346 Chemical reagent packaging and marking HG/T 3921 Chemical Reagent Sampling and Acceptance Rules

3 Terms and definitions

There are no terms and definitions that need to be defined in this document.

4 traits

This reagent is a colorless and transparent liquid, can be mixed with organic solvents such as alcohol, ether, chloroform, etc., slightly soluble in water, and flammable. ......

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