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GB/T 653-2011 English PDF

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GB/T 653-2011: Chemical reagents barium nitrate
Status: Valid

GB/T 653: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 653-2011English169 Add to Cart 3 days [Need to translate] Chemical reagents barium nitrate Valid GB/T 653-2011
GB/T 653-1994English239 Add to Cart 2 days [Need to translate] Chemical reagent. Barium nitrate Obsolete GB/T 653-1994
GB 653-1978English199 Add to Cart 2 days [Need to translate] Chemical reagents--Barium nitrate Obsolete GB 653-1978

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Basic data

Standard ID GB/T 653-2011 (GB/T653-2011)
Description (Translated English) Chemical reagents barium nitrate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G62
Classification of International Standard 71.040.30
Word Count Estimation 7,718
Date of Issue 2011-05-12
Date of Implementation 2011-12-01
Older Standard (superseded by this standard) GB/T 653-1994
Quoted Standard GB/T 601; GB/T 602; GB/T 603; GB/T 6682; GB/T 9723-2007; GB/T 9724; GB/T 9729; GB/T 9738; GB/T 9739; GB 15258; GB 15346; HG/T 3484; HG/T 3921
Regulation (derived from) Announcement of Newly Approved National Standards No. 6 of 2011
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 chemical properties of barium nitrate reagent, specifications, testing, inspection and marking and packaging rules. This standard applies to chemical agents barium nitrate test.

GB/T 653-2011: Chemical reagents barium nitrate

---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 reagents barium nitrate ICS 71.040.30 G62 National Standards of People's Republic of China Replacing GB/T 653-1994 Chemicals barium nitrate Issued on. 2011-05-12 2011-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 653-1994 "Chemicals barium nitrate," compared with the GB/T 653-1994 main changes are as follows. --- Clarity test specifications by a "qualified" to "3", "5" (1994 version 3.3, this version of Chapter 4); --- Improved method for measuring the content of the (1994 version 4.1, this version 5.2); --- Water insoluble chemical reagents common method of measuring switch (1994 version 4.3.2, this version 5.5); --- Modify the packaging and logo (the 1994 edition of Chapter 6, Chapter 7 of this edition). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry Chemicals Branch (SAC/TC63/SC3) centralized. This standard is drafted by. Beijing Yili Fine Chemicals Co., Ltd. The main drafters of this standard. Zhao Yufeng, Bi Yong Ping. This standard replaces the standards previously issued as follows. --- GB/T 653-1965, GB/T 653-1978, GB/T 653-1994. Chemicals barium nitrate Warning. some of the test procedure specified in this standard can lead to dangerous situations, the user has the responsibility to take appropriate safety and health practices. Molecular formula. Ba (NO3) 2 Molecular weight. 261.34 (according to 2007 international relative atomic mass)

1 Scope

This standard specifies the chemical reagent barium nitrate traits, specifications, testing, packaging and inspection rules and signs. This standard applies to chemical reagents barium nitrate test.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms of dated references, all subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. Preparation of GB/T 601 chemical reagent standard titration solution GB/T 602 Determination of impurities in chemical reagents prepared standard solution (GB/T 602-2002, ISO 6353-1. 1982, NEQ) with GB/T 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 1982, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 9723-2007 Chemicals flame atomic absorption spectrometry General GB/T 9724 General rule for determination of pH chemical reagent (GB/T 9724-2007, ISO 6353-1. 1982, NEQ) GB/T 9729 General method for determination of chloride Chemicals (GB/T 9729-2007, ISO 6353-1. 1982, NEQ) GB/T 9738 Determination of water insoluble chemical reagent - General method (GB/T 9738-2008, ISO 6353-1. 1982, NEQ) GB/T 9739 General method for determination of iron chemical reagents (GB/T 9739-2006, ISO 6353-1. 1982, NEQ) GB 15258 rules for preparation of chemical safety labels GB 15346 chemical reagent packaging and marking HG/T 3484 standard chemical reagents glass emulsion and clarity standards HG/T 3921 Chemicals sampling and acceptance rules

3 Characters

This reagent is colorless or white crystals, soluble in water, soluble in ethanol.

4 Specification

Barium nitrate specifications shown in Table 1. Table 1 Name AR chemically pure Content [Ba (NO3) 2], w /% ≥99.5 ≥99.0 pH value (50g/L, 25 ℃) 5.0 ~ 7.0 5.0 ~ 7.0 Clarity test/number ≤3 ≤5

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