HG/T 5615-2019
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
HG/T 5612\uff5e5615-2019
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 23670-2009
2-Amino-5-chloro-4-methybenzenesulfouic acid(CLT acid)
GB 1886.368-2023
HJ 550-2015
HJ550-2015
20232997-T-606
CLTacid(2-Amino-5-chloro-4-methylbenzenesulfonic acid)
HJ 550-2009
GB/T 11220.1-1989
Determination of uranium in soil--CL-5209 extractant-containing resin separation 2-(5-bromo-2-pyridylazo)-5-diethlaminophenol spectrophotometry
GB 1886.347-2021
T/CIESC 46-2023
T/CPUIA 0004-2023
GB 1886.354-2021
GB/T 11067.4-1989
Silver—Determination of antimony content—2-(5-bromo-2-pyridylazo)-5-diethylaminophenol spectrophotometric method
HG/T 5484\uff5e5487-2018