GB/T 40409-2021
Flame retardant chemical—Tetrabromophthalate diol
HG/T 6342-2024
HG/T 5617-2019
HG/T 5551-2019
GB/T 23975-2009
Determination of the quantity of tetrachlorophthalic anhydride in dye and pigment products
HG/T 5784-2021
3-Chlorophthalic anhydride for industrial use
HG/T 5785-2021
4-Chlorophthalic anhydride for industrial use
HG/T 5818-2020
GB 13481~13482-1992
YY/T 1231-2014
Creatinine test reagent kit(Method of sarcosine oxidase)
GB/T 14457.7-1993
Isolate and synthetic aroma chemicals—Determination of primary or secondary alcohols content by acetic anhydride-pyridine method
WS/T 97-1996
Urine—Determination of creatinine—Spectrophotometric method
HG/T 5784\uff5e5787-2021
GB 1886.116-2015
KS M 1674-2008(2018)
Phthalic anhydride for industrial use
KS M 1707-2008(2018)
Maleic anhydride for industrial use
GB 18550-2001
Occupational exposure limit for acetic anhydride in the air of workplace
T/HEBQIA 002-2021
GB 13482-2011
WS/T 413-2024