HG/T 5803\uff5e5806-2021
ASTM E222-23
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
ASTM E222-17
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
ASTM E222-10
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
ASTM E222-00(2005)e1
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
ASTM E222-00
Standard Test Methods for Hydroxyl Groups Using Acetic Anhydride Acetylation
T/GDCA 015-2022
32017R0056
Commission Implementing Regulation (EU) 2017/56 of 14 December 2016 concerning the authorisation of lactic acid, 4-oxovaleric acid, succinic acid, fumaric acid, ethyl acetoacetate, ethyl lactate, butyl lactate, ethyl 4-oxovalerate, diethyl succinate, diethyl malonate, butyl-O-butyryllactate, hex-3-enyl lactate, hexyl lactate, butyro-1,4-lactone, decano-1,5-lactone, undecano-1,5-lactone, pentano-1,4-lactone, nonano-1,5-lactone, octano-1,5-lactone
32018R0250
32018R1039R(02)