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GB/T 34686-2017Succinic acid for industrial use (English PDF)

工业用丁二酸

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

November 1, 2017

Implementation date

May 1, 2018

Scope

GB/T 34686-2017 is the English-translated version of 工业用丁二酸.

GB/T 34686-2017 is the Chinese standard "Succinic acid for industrial use". Its scope clause reads: This standard specifies the requirements of industrial succinic acid, test methods, inspection rules and labeling, packaging, transportation, storage and safety.

This standard applies to maleic anhydride as raw material by electrolysis of industrial succinic acid. Molecular formula .C4H6O4 Structure .CH2-COOH CH2-COOH Relative molecular mass .118.09 (By international relative atomic mass in.2016). Its clauses include requirements.

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Document preview — GB/T 34686-2017

National Standard of the People's Republic of China

ICS: 71.080.40
Classification: G 17

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

1 Scope
2 Normative references
3 requirements
3.1 Appearance

1 Scope

This standard specifies the requirements of industrial succinic acid, test methods, inspection rules and labeling, packaging, transportation, storage and safety.

This standard applies to maleic anhydride as raw material by electrolysis of industrial succinic acid.

Molecular formula .C4H6O4

Structure .CH2-COOH CH2-COOH Relative molecular mass .118.09 (By international relative atomic mass in.2016)

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article

Pieces. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 601 chemical reagent standard titration solution preparation

GB/T 602 chemical reagent impurity standard solution preparation

GB/T 603 chemical reagent test methods used in the preparation of preparations and products

GB/T 617 chemical reagent melting point range determination of common methods

GB/T 6283 Determination of moisture content of chemical products Karl Fischer (General Methods)

GB/T 6678 General rules for sampling chemical products

GB/T 6679 General rules for sampling solid chemical products

GB/T 6682 analytical laboratory water specifications and test methods

GB/T 7532 organic chemical products - Determination of heavy metals - Visual colorimetry

GB/T 8170 rounded repair rules and limit values of the representation and judgment

GB/T 9729 chemical reagent chloride Determination of common methods

GB/T 9739 chemical reagent iron determination of common methods

GB/T 9741 chemical reagent ignition residue determination of common methods

3 requirements

3.1 Appearance

White crystals or powder at room temperature, no visible impurities.

3.2

Industrial succinic acid should be consistent with the technical indicators shown in Table 1.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

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