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    Home > Chemicals Industry > Chemical Technology > Oxalic acid for industrial use (1)

    Oxalic acid for industrial use (1)

    • Last Update: 2021-11-24
    • Source: Internet
    • Author: User
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    1 Scope

    This standard specifies the technical requirements, test methods, inspection rules, marking, packaging, transportation and storage of oxalic acid for industrial use

    This standard applies to the production, inspection and sale of industrial oxalic acid produced by the synthesis of producer gas and sodium hydroxide (hereinafter referred to as the synthesis method) or the nitric acid oxidation of glucose (hereinafter referred to as the oxidation method)

    Molecular formula: H 2 C 2 O 4 ·2H 2 O

    Relative molecular mass: 126.
    07 (according to the 2005 international relative atomic mass)

    2 Normative references

    The clauses of the following documents have become clauses of this standard after being quoted in this standard
    For dated reference documents, all subsequent amendments (excluding errata content) or revisions do not apply to this standard.
    However, all parties that have reached an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used

    For undated reference documents, the latest version is applicable to this standard


    Preparation of GB/T601-2002 Chemical Reagent Standard Titration Solution

    GB/T602-2002 Preparation of standard solutions for impurity determination of chemical reagents (ISO 63531:1982, NEQ)

    Preparation of preparations and products used in GB/T603-2002 chemical reagent test method (ISO 6353-1:1982, NEQ)

    The expression method and judgment method of GB/T1250 limit value

    GB/T3049-2006 General method for determination of iron content in industrial chemical products 1, 10-phenanthroline spectrophotometric method (ISO 6685:1982, IDT)

    GB/T6678-2003 General Rules for Sampling of Chemical Products

    GB/T6679-2003 General Rules for Sampling of Solid Chemical Products

    GB/T6682-2008 Analytical laboratory water specifications and test methods (ISO3696:1987, MOD)

    GB/T7531 Determination of Ignition Residues of Organic Chemical Products (GB/T7531-2008.
    ISO6353-1:1982, NFQ)

    GB/T7532 Determination of Heavy Metals in Organic Chemical Products Daily Colorimetric Method

    GB/T8947 compound plastic woven bag

    GB/T9723 General Rules of Flame Atomic Absorption Spectrometry for Chemical Reagents

    3 Classification and naming

    According to the oxalic acid production process, the products are divided into type I and type II.
    Type I is suitable for oxalic acid produced by synthetic process, and type II is suitable for oxalic acid produced by oxidation process


    4 Appearance

    White crystals

    5 requirements

    Oxalic acid for industrial use should meet the technical requirements shown in Table 1

    Table 1 Technical requirements

    Related Links: Synthetic Phenol for Industrial Use (2)



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