T/CRIAC 0088-2023
Chemical reagent — Reference material for gas chromatography — Ethanol (English Version)

Standard No.

T/CRIAC 0088-2023

Language

Chinese, Available in English version

Release Date

2023

Published By

Group Standards of the People's Republic of China

Latest

T/CRIAC 0088-2023

Scope

Content (C2H5OH), w/% ≥ 99.9 2 Density (20°C), ρ/(g/mL) 0.789~0.791 3 Passed the mixing test with water 4 Evaporation residue, ω/% ≤ 0.0005 5 Acidity (calculated as H+) , b/(mmol/g)≤0.0002 6 Alkalinity (based on OH-), b/(mmol/g)≤0.00005 7 Moisture (H2O), w/%≤0.2 8 Methanol (CH3OH), w/%≤ 0.02 9 Isopropyl alcohol [(CH3)2CHOH], w/% ≤ 0.003 10 Carbonyl compounds (calculated as CO), w/% ≤ 0.003 11 Qualified substances that are easily carbonized 12 Iron (Fe), w/% ≤ 0.00001 13 Zinc ( Zn), w/% ≤ 0.00001 14 reduced potassium permanganate substances (calculated as O), w/% ≤ 0.00025

T/CRIAC 0088-2023 history

• 2023 T/CRIAC 0088-2023 Chemical reagent — Reference material for gas chromatography — Ethanol