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GB/T 9854-2008 English PDF

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GB/T 9854-2008: Chemical reagent -- Oxalic acid dihydrate
Status: Valid

GB/T 9854: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 9854-2008English169 Add to Cart 3 days [Need to translate] Chemical reagent -- Oxalic acid dihydrate Valid GB/T 9854-2008
GB/T 9854-1988English199 Add to Cart 2 days [Need to translate] Chemical reagent--Oxalic acid dihydrate Obsolete GB/T 9854-1988

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Basic data

Standard ID GB/T 9854-2008 (GB/T9854-2008)
Description (Translated English) Chemical reagent -- Oxalic acid dihydrate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G63
Classification of International Standard 71.040.30
Word Count Estimation 7,759
Date of Issue 2008-05-15
Date of Implementation 2008-11-01
Older Standard (superseded by this standard) GB/T 9854-1988
Adopted Standard ISO 6353-2-1983, NEQ
Regulation (derived from) National Standard Approval Announcement 2008 No.8 (Total No.121)
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 reagents oxalic acid dihydrate traits, specifications, trial, packaging and inspection rules and signs. This standard applies to chemical reagent test oxalate dihydrate.

GB/T 9854-2008: Chemical reagent -- Oxalic acid dihydrate

---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. Oxalic acid dihydrate ICS 71.040.30 G63 National Standards of People's Republic of China Replacing GB/T 9854-1988 Chemicals dihydrate oxalic acid (oxalic acid) (ISO 6353-2. 1983, Reagentsforchemicalanalysis- Part 2. Specifications-Firstseries, NEQ) Posted 2008-05-15 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard and ISO 6353-2. 1983 "Chemical analysis of reagent --- Part 2. Specification 1 of this series," The R20 "oxalate dihydrate," the Non-equivalent. This standard replaces GB /"chemical reagents oxalic acid," compared with the GB/T 9854-1988 T 9854-1988 major changes are as follows. --- Standard name changed to "dihydrate oxalic acid (oxalic acid)"; --- Clarity test specifications by a "qualified" to "2", "3", "5" (1988 version 3.2, Chapter 4 of this edition); --- Water insoluble matter, burning residue, sulfate, total nitrogen, heavy metals and chemical reagents General Method 5 Determination of use (1988 edition 4.2.2,4.2.3,4.2.5,4.2.6,4.2.9; Excerpts 5.5,5.6,5.8,5.9,5 .12). 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, Zhao Xiuhua. This standard was first published in 1965, in 1976 and first revised in 1988, the second amendment. Chemicals dihydrate oxalic acid (oxalic acid) Molecular formula. C2H2O4 · 2H2O Molecular weight. 126.07 (according to 2005 international relative atomic mass)

1 Scope

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

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. 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 609 chemical reagent - General method for determination of total nitrogen (GB/T 609-2006, ISO 6353-1. 1982, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 9728 General method for determination of chemical reagents sulfate (GB/T 9728-2007, ISO 6353-1. 1982, NEQ) GB/T 9735 General method for determination of heavy metals Chemicals (GB/T 9735-2008, ISO 6353-1. 1982, NEQ) GB/T 9737 Determination of chemical reagents easily carbonized substances General (GB/T 9737-2008, 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 9741-2008 Determination of residue on ignition Chemicals General method (ISO 6353-1. 1982, NEQ) GB 15346 chemical reagent packaging and marking HG/T 3484 standard chemical reagents glass emulsion and clarity standards HG/T 3921 Chemicals sampling and inspection rules

3 Characters

This reagent is colorless crystals, in a warm, dry air weathering, soluble in water and ethanol.

4 Specification

Dihydrate oxalic acid as shown in Table 1. Table 1 Name pure class pure analytical chemistry Content (C2H2O4 · 2H2O), /% ≥99.8 ≥99.5 ≥99.5 Clarity test/number ≤2 ≤3 ≤5 Water-insoluble, /% ≤0.002 ≤0.005 ≤0.01 Residue on ignition (Sulfate), /% ≤0.01 ≤0.02 ≤0.05

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