SN/T 3153-2012
Determination of N,N-bis(2-hydroxyethyl)-p-phenylenediamine,N,N-dimethyl-p-phenylenediamine,N,N-diethyl-p-phenylenediamine,N-phenyl-p-phenylenediamine and their salts in oxidative hair dyes for export-High performance liquid chromatography
HG/T 5652\uff5e5654-2019
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
HG/T 5886\uff5e5889-2021
SH/T 1822-2019
1,2,4,5-Tetramethylbenzene
SH/T 1779-2014
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 39827.1-2021
Plastics—Post-consumer poly(ethylene terephthalate)(PET)bottle recyclates—Part 1:Designation system and basis for specifications
HG/T 5845\uff5e5848-2021
32015D1873
32015D1875
32018R0240
HG/T 4896~4897-2016
HG/T 5258-2017
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine
HG/T 3803-2006
HG/T 3803-2005
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
HG/T 5501\uff5e5504-2018
HG/T 2417-1993
HG/T 4896-2016
Rubber antioxidant-N-(1-methylheptyl)-N'-phenyl-p-phenylenediamine (8PPD)
GB/T 11897-1989
Water quality--Determination of free chlorine and total chlorine--Titrimetric method using N,N-diethyl-1,4-phenylenediamine