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GB/T 676-2007 English PDF

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GB/T 676-2007: Chemical reagent -- Acetic acid
Status: Valid

GB/T 676: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 676-2007English209 Add to Cart 3 days [Need to translate] Chemical reagent -- Acetic acid Valid GB/T 676-2007
GB/T 676-1990English279 Add to Cart 3 days [Need to translate] Chemical reagent--Acetic acid Obsolete GB/T 676-1990

PDF similar to GB/T 676-2007


Standard similar to GB/T 676-2007

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Basic data

Standard ID GB/T 676-2007 (GB/T676-2007)
Description (Translated English) Chemical reagent -- Acetic acid
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G63
Classification of International Standard 71.040.30
Word Count Estimation 8,813
Date of Issue 2007-10-25
Date of Implementation 2008-04-01
Older Standard (superseded by this standard) GB/T 676-1990
Quoted Standard GB/T 601; GB/T 602; GB/T 603; GB/T 618; GB/T 6682; GB/T 9723-2007; GB/T 9728; GB/T 9729; GB/T 9739; GB/T 9740; GB 15258; GB 15346; HG/T 3921
Adopted Standard ISO 5353-2-1983, NEQ
Regulation (derived from) China National Standard Approval Announcement2007 No.11 (Total No.111)
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-acetic acid trait, specifications, trial, packaging and inspection rules and signs. This standard applies to chemicals-acetic acid test.

GB/T 676-2007: Chemical reagent -- Acetic acid

---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. Acetic acid ICS 71.040.30 G63 National Standards of People's Republic of China Replacing GB/T 676-1990 Chemicals acetic acid (glacial acetic acid) (ISO 6353-2. 1983, Reagentsforchemicalanalysis- Part 2. Specifications-Firstseries, NEQ) Posted 2007-10-25 2008-04-01 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 "Reagents for chemical analysis - Part 2. Specification 1 Series" in R1 "acetic acid" process consistency Degree is not equivalent. This standard replaces GB/T 676-1990 "Chemicals acetic acid (glacial acetic acid)", compared with the GB/T 676-1990 main changes as follows. --- Adjust the evaporation residue of the sample size (1990 version 4.3.1, this version 5.4); --- The determination of copper, lead by anodic stripping voltammetry to flame atomic absorption spectrometry (1990 edition 4.3.6,4.3.8, Excerpts 5.9,5.11); --- Improved measurement method dichromate reducing substances (1990 version 4.3.10, this version 5.13). 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 was drafted. Jiangsu Qiangsheng Chemical Co., Ltd. The main drafters of this standard. and turn red. This standard was first published in 1965, in 1978 and first revised in 1990, the second amendment. Chemicals acetic acid (glacial acetic acid) 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. Exemplary formula. CH3COOH Molecular Weight. 60.05 (according to 2003 international relative atomic mass)

1 Scope

This standard specifies the characteristics, specifications, testing, inspection rules, logo and packaging and chemical reagents --- acetic acid. This standard applies to chemical agents --- acetic acid 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 618 chemical reagent determination of crystallizing point - General method (GB/T 618-2006, ISO 6353-1. 1982, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-1992, neq ISO 3696. 1987) GB/T 9723-2007 Chemicals flame atomic absorption spectrometry General GB/T 9728 General method for determination of chemical reagents sulfate (GB/T 9728-2007, 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 9739 General method for determination of iron chemical reagents (GB/T 9739-2006, ISO 6353-1. 1982, NEQ) GB/T 9740 General chemical reagent evaporation residue determination method (GB/T 9740-1988, eqv ISO 6353-1. 1982) GB 15258 rules for preparation of chemical safety labels GB 15346 chemical reagent packaging and marking HG/T 3921 Chemicals sampling and acceptance rules

3 Characters

This reagent is transparent colorless liquid with a pungent odor, soluble in water, ethanol and ether, density (20 ℃) of about 1.05g/mL.

4 Specification

Acetic acid as shown in Table 1. Table 1 specifications of acetic acid Name pure class pure analytical chemistry Content (CH3COOH), /% ≥99.8 ≥99.5 ≥99.0 Crystallization point/℃ ≥16.0 ≥15.1 ≥14.8 Evaporation residue, /% ≤0.001 ≤0.002 ≤0.005

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