US$169.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 9854-2008: Chemical reagent -- Oxalic acid dihydrate Status: Valid GB/T 9854: Evolution and historical versions
Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
GB/T 9854-2008 | English | 169 |
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Chemical reagent -- Oxalic acid dihydrate
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GB/T 9854-2008
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GB/T 9854-1988 | English | 199 |
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Chemical reagent--Oxalic acid dihydrate
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GB/T 9854-1988
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PDF similar to GB/T 9854-2008
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| Word Count Estimation | 7,759 | Date of Issue | 2008-05-15 | Date of Implementation | 2008-11-01 | Older Standard (superseded by this standard) | GB/T 9854-1988 | Adopted Standard | ISO 6353-2-1983, NEQ | Regulation (derived from) | National Standard Approval Announcement 2008 No.8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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