T/CRIAC 0086-2023
Chemical reagent — Reference material for gas chromatography — Dichloromethane (English Version)

Standard No.

T/CRIAC 0086-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Group Standards of the People's Republic of China

Latest

T/CRIAC 0086-2023

Scope

1 Content (CH2Cl2), w/% ≥ 99.90 2 Chroma/Hazen unit ≤ 10 3 Density (20°C), ρ/(g/mL) 1.320~1.330 4 Evaporation residue, w/% ≤ 0.002 5 Acidity (in H+), b/(mmol/g) ≤ 0.0003 6 Free chlorine (Cl), w/% ≤ 0.0001 7 Trichloromethane (CHCl3), w/% ≤ 0.1 8 Carbon tetrachloride (CCl4), w/% ≤0.1 9 Iron (Fe), w/% ≤ 0.0001 10 Moisture (H2O), w/% ≤ 0.05

T/CRIAC 0086-2023 history

• 2023 T/CRIAC 0086-2023 Chemical reagent — Reference material for gas chromatography — Dichloromethane