GBZ/T 300.118-2017
Determination of toxic substances in workplace air-Part 118: Acetic anhydride, maleic anhydride and phthalic anhydride
ASTM E222-23
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
KS M ISO 4326-2008(2023)
Non-ionic surface active agents-Polyethoxylated derivatives-Determination of hydroxyl value-Acetic anhydride method
KS M ISO 4326-2008(2018)
Non-ionic surface active agents-Polyethoxylated derivatives-Determination of hydroxyl value-Acetic anhydride method