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 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
GB/T 24770-2009
Trimethyl amine for industrial use
QB/T 4419-2012
GB/T 22591-2008
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
GB/T 35501-2017
Methyltrimethoxysilane for industrial use
HG/T 3777-2023
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 25593-2010
T/CPCIF 0025-2019
GB/T 12689.10-2004
The methods for chemical analysis of zinc and zinc alloys--The determination of tin content--The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
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
T/CPUIA 0004-2023
HG/T 4330-2012
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
HG/T 3777-2005
Water treatment chemicals-Diethlenetriamine penamethylene phosphonic acid
YS/T 981.4-2014
Method for chemical analysis of high pure indium—Determination of tin content—Benzfluorenone-cetyltrimethylammonium bromide spectrophotometric method
YS/T 276.2-2011
Methods for chemical analysis of indium—Part 2:Determination of tin content—Phenylfluorone-cetyltrimethyl ammonium bromide spectrophotometry
T/FSI 063-2021
GB 5009.179-2016