GB/T 21887-2008
2-Amino-4-nitrophenol
HG/T 5881-2021
2-Amino-5-nitrophenol
SN/T 2110-2008
Determination of 2-amino-4-nitrophenol and 2-amino-5-nitrophenol in hair dye for import and export
GB/T 25784-2010
2,4,6 -Trinitrophenol(Picric acid)
GB/T 25785-2010
2-Amino-4,6-dinitrophenol sodium(picramic acid sodium hydrate)
SN/T 3529-2013
Determination of 2,4-diaminophenol,2,3-diaminophenol and 2,4-diaminoanisole in hair dyes for import and export
HG/T 5396\uff5e5399-2018
WS/T 59-1996
Urine—Determination of 4-amino-2,6-dinitrotoluene—Gas chromatographic method
HG/T 5881\uff5e5885-2021
HG/T 5484\uff5e5487-2018
GB/T 6730.37-2017
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
32008H0098