T/ZZB 1744-2020 Active Group standards

T/ZZB 1744-2020 Industrial DL-tartaric acid

Publish Date: 2020-10-23 Implement Date: 2020-11-30 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/ZZB 1744-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Generally, organic chemical raw materials

ICS Name: Organic acids

Publish Date: 2020-10-23

Implement Date: 2020-11-30

Scope

Main technical content: This standard specifies the product classification, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage, and quality commitments for DL-tartaric acid used in industry. This standard applies to DL-tartaric acid obtained by oxidation and hydrolysis from maleic anhydride and hydrogen peroxide as raw materials. Molecular formula: C4H6O6·nH2O (crystalline product n=1, anhydrous product n=0) Chemical name: 2,3-dihydroxybutanedioic acid Relative molecular mass: Crystalline product 168.11; anhydrous product 150.09 (based on the international relative atomic mass in 2016)