HG/T 5484\uff5e5487-2018
WS/T 67-1996
Blood—Determination of cholinesterase activity—Spectrophotometric method—Acetylthiocholine and dithio-bis-(nitrobenzoic acid)method
GB/T 30921.1-2014
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
T/NAIA 075-2021
T/NAIA 074-2021
32016R1785
32009L0011
32008H0098
32018R0687