HG/T 5623-2019
HG/T 6342-2024
HG/T 3925-2014
Tolyltriazole
SH/T 1822-2019
1,2,4,5-Tetramethylbenzene
SH/T 1779-2014
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 5805-2021
D-dihydrophenylglycine methyl sodium Dane salt
DB43/T 2200-2021
GB/T 33089-2016
Chemical reagent—N,N-dimethyl-p-phenylenediamine dihydrochloride
SN/T 5635-2024
HG/T 4896~4897-2016
HG/T 5258-2017
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine
HG/T 5803\uff5e5806-2021
GB/T 21841-2019
Rubber antioxidant—N-1,3-dimethylbutyl-N’-phenyl-p-phenylenediamine(6PPD)
YS/T 569.5-2015
Methods for chemical analysis of thallium—Part 5:Determination of cadmium content—Dithizone benzene extraction spectrophotometry
YS/T 569.4-2015
Methods for chemical analysis of thallium—Part 4:Determination of zinc content—Dithizone benzene spectrophotometry
YS/T 569.6-2015
Methods for chemical analysis of thallium—Part 6:Determination of lead content—Dithizone benzene extraction spectrophotometry
HG/T 3925-2007
Tolyltriazole
DB34/T 1767-2012
HG/T 6035-2022