HG/T 6251-2023
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 2335-2003
Photographic chemicals 2[(4-Amino-3-methylphenyl)ethylamino]-ethanol sulfate(CD-4)
HG/T 6010-2022
HG/T 5709\uff5e5712-2020
HG/T 5396\uff5e5399-2018
T/QGCML 748-2023
HG/T 5083-2016
Rubber antioxidant-2,4,6-Tris(N-1,4-dimethylpentyl-p-phenylenediamino)-1,3,5-triazine
HG/T 5845\uff5e5848-2021
HG/T 5949\uff5e5950-2021
SN/T 4085-2014
Food contact materials - Paper recovered fiber materials - Determination of 1,2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one 5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method
HG/T 5484\uff5e5487-2018
HG/T 5274~5276-2017
GB 1886.354-2021
GB/T 14506.26-1993
Silicate rocks—Determination of cobalt content—4-[(5-Chtoro-2-pyridyl)-azo]-1,3-diamino benzene photometric method
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
GB/T 6730.37-1986
Methods for chemical analysis of iron ores The 4-[(5-chloro-2-phridyl)azo]-1,3-diaminobenzene photometric method for the determination of cobalt content
T/NAIA 059-2021
32015D1875