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 5072-2016
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
HG/T 5073-2016
Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide
HJ1076-2019
YS/T 1300-2019
Determination of methyldichlorosilane,trimethylchlorosilane and methyltrichlorosilane in chlorosilanes-Gas chromatography-mass spectrometry method
GB/T 8826-2019
Rubber antioxidant—Polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (TMQ)
HG/T 4895-2016
Blend of rubber antioxidant-N-( 1-methylheptyl)-N'-phenyl-p-phenylenediamine and polymerized 2,2,4-trimethyl-1,2-dihydroquinoline (8PPD/TMQ)
GB/T 21037-2024
Determination of diaveridine, trimethoprim and ormetoprim in feeds
HG/T 3777-2023
HG/T 5687\uff5e5688-2020
GB/T 6730.34-2017e
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 6730.34-2017
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GBZ/T 300.136-2017
Determination of toxic substances in workplace air-Part 136: Trimethylamine, diethylamine and triethylamine
HG/T 6314-2024
HG/T 5072~5074-2016
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
QB/T 1915-2021
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
GB/T 223.50-1994
Methods for chemical analysis of iron,steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
HG/T 5250~5252-2017