T/CRIAC 0101-2025 Active Group standards

T/CRIAC 0101-2025 Chemical reagent, GC reference standard for analysis, toluene

Publish Date: 2025-02-11 Implement Date: 2025-02-20 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 0101-2025

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Chemical production

Publish Date: 2025-02-11

Implement Date: 2025-02-20

Scope

Scope: This document specifies the technical requirements, testing, inspection rules, and packaging and labeling for toluene, a reference standard used in gas chromatography. This document is applicable to the inspection of toluene, a reference standard for gas chromatography. Chemical formula: C6H5CH3 Molecular weight: 92.14 (based on the 2022 International Atomic Weight Table) CAS number: 108-88-3; Main technical specifications: - Content (C6H5CH3): w%≥ 99.8 - Density (20°C): ρ/(g/mL) 0.865–0.869 - Evaporation residue: w%≤ 0.001 - Acidity (calculated as H+): b/(mmol/g)≤ 0.0001 - Alkalinity (calculated as OH-): b/(mmol/g)≤ 0.0001 - Easily carbonized substances: qualified - Sulfur compounds (calculated as SO4): w%≤ 0.0005 - Thiophene: qualified - Unsaturated compounds (calculated as Br): ≤ 0.005 - Moisture (H2O): w%≤ 0.03 - Benzene (C6H6): w%≤ 0.1 - m-Xylene (C8H10): w%≤ 0.1 Note: The moisture content in the test results is not deducted.