GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
GB/T 21887-2008
2-Amino-4-nitrophenol
HG/T 5881-2021
2-Amino-5-nitrophenol
SN/T 3529-2013
Determination of 2,4-diaminophenol,2,3-diaminophenol and 2,4-diaminoanisole in hair dyes for import and export
SN/T 2110-2008
Determination of 2-amino-4-nitrophenol and 2-amino-5-nitrophenol in hair dye for import and export
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/T 6730.37-2017
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
HG/T 5881\uff5e5885-2021
DB22/T 263-2018
DB22/T 262-2018
DB22/T 263-2001
DB22/T 262-2001
GB/T 21892-2015
p-Aminophenol
SH/T 0792-2007
Standard test method for 2,6-di-tert-butyl-p-cresol and 2,6-di-tert-butyl phenol in electrical insulating oil by infrared absorption
GB/T 11067.4-1989
Silver—Determination of antimony content—2-(5-bromo-2-pyridylazo)-5-diethylaminophenol spectrophotometric method
HG/T 6214-2023
HG/T 4424-2023
EJ/T 267.4-1984
JB/T 6237.4-1992
GB/T 21892-2008
p-Aminophenol