T/CRIAC 0094-2024 Active Group standards

T/CRIAC 0094-2024 Chemical Reagents Potassium Tartrate (Potassium Tartrate)

T/CRIAC 0094-2024

Publish Date: 2024-08-13 Implement Date: 2024-08-30 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/CRIAC 0094-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Chemical industry

ICS Name: Chemical reagents

Publish Date: 2024-08-13

Implement Date: 2024-08-30

Scope

Scope: This document specifies the properties, specifications, testing, inspection rules, and packaging and marking of the chemical reagent, potassium tartrate hemihydrate (potassium tartrate). This document is applicable to the inspection of the chemical reagent, potassium tartrate hemihydrate. Molecular formula: C4H4O6K2·1/2H2O Molecular weight: 235.27 (based on the 2022 International Atomic Mass Table) CAS number: 6100-19-2; Main technical contents: - Content (C4H4O6K2·1/2H2O): 99.5% to 100.5% by weight - pH value (50g/L, 25℃): 7.0 to 8.0 - Clarity test: score ≤ 4 - Water-insoluble matter: w/% ≤ 0.005 - Chloride (Cl): w/% ≤ 0.002 - Sulfate (SO4): w/% ≤ 0.003 - Phosphate (PO4): w/% ≤ 0.001 - Iron (Fe): w/% ≤ 0.0005 - Heavy metals (calculated as Pb): w/% ≤ 0.0005