HG/T 5615-2019
HG/T 5612\uff5e5615-2019
HG/T 5712-2020
HG/T 6145-2023
GB/T 23670-2016
2-Amino-5-chloro-4-methybenzenesulfonic acid(CLT acid)
HG/T 6340-2024
GB/T 23670-2009
2-Amino-5-chloro-4-methybenzenesulfouic acid(CLT acid)
GB 1886.368-2023
GB/T 6730.37-2017
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
GB/T 11220.1-1989
Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry
HJ 550-2015
HJ550-2015
20232997-T-606
CLTacid(2-Amino-5-chloro-4-methylbenzenesulfonic acid)
HG/T 5687\uff5e5688-2020
HG/T 5881-2021
2-Amino-5-nitrophenol
HJ 550-2009
HG/T 2075-2018
J Acid (2-Amino-5-naphthol-7-sulfonic acid)
QB/T 4812-2015
Fragrance - 6-methyl-5-hepten-2-one
GB 1886.354-2021
HG/T 5484\uff5e5487-2018