HG/T 5615-2019
HG/T 5612\uff5e5615-2019
HG/T 4875-2016
2-Aminopyridine for industrial use
HG/T 4482-2012
HG/T 5712-2020
HG/T 6145-2023
GB/T 23670-2016
2-Amino-5-chloro-4-methybenzenesulfonic acid(CLT acid)
HG/T 6035-2022
HG/T 6251-2023
NY/T 3037-2016
GB 1886.368-2023
DB42/T 1720-2021
GB/T 6730.37-2017
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
HG/T 5687\uff5e5688-2020
HG/T 6340-2024
GB/T 23670-2009
2-Amino-5-chloro-4-methybenzenesulfouic acid(CLT acid)
HG/T 2335-2003
Photographic chemicals 2[(4-Amino-3-methylphenyl)ethylamino]-ethanol sulfate(CD-4)
HJ 550-2015
HJ550-2015
20232997-T-606
CLTacid(2-Amino-5-chloro-4-methylbenzenesulfonic acid)