T/CRIAC 0098-2025 Active Group standards

T/CRIAC 0098-2025 Chemical reagent, gas chromatography standard substance, n-butanol

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 0098-2025

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 characteristics, technical requirements, testing, inspection rules, and packaging and marking of n-butanol as a reference standard for gas chromatography. This document is applicable to the inspection of n-butanol as a reference standard for gas chromatography. Chemical formula: CH3(CH2)2CH2OH Molecular weight: 74.12 (based on the 2022 International Atomic Mass Table) CAS number: 71-36-3; Main technical content: - Content [CH3(CH2)2CH2OH], w/% ≥ 99.8 - Color, blackening unit ≤ 10 - Density (20°C), ρ/(g/mL) 0.808–0.811 - Evaporation residue, w/% ≤ 0.0005 - Water (H2O), w/% ≤ 0.1 - Acidity (calculated as H+), b/(mmol/g) ≤ 0.0004 - Carbonyl compounds (calculated as CO), w/% ≤ 0.02 - Ester (calculated as CH3COOC4H9), w/% ≤ 0.1 - Unsaturated compounds (calculated as Br), w/% ≤ 0.005 - Iron (Fe), w/% ≤ 0.00005 - Carbonizable substances must meet the requirements