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 223.50-1994
Methods for chemical analysis of iron,steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content
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 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 15917.3-1995
Dysprosium and dysprosium oxide—Determination of tantalum content—Para-chloride—phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method
YS/T 276.2-2011
Methods for chemical analysis of indium—Part 2:Determination of tin content—Phenylfluorone-cetyltrimethyl ammonium bromide spectrophotometry
GB/T 14352.15-1993
Methods for chemical analysis of tungsten ores and molybdenum ores—Determination of germanium content—Distillation separation-phenyl fluorone cetyltrimethyl-ammonium bromide phtometric method
HG/T 6246-2023
GB/T 12689.6-1990
Zinc and zinc alloys—Determination of tin content—Phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method
GB/T 6730.34-1986
Methods for chemical analysis of iron ores The pyrocatechol violet-cetyl trimethylamine bromide photometric method for the determination of tin content
GB/T 33335-2016
high purity boron tribromide for industrial use
GB/T 6900.7-1986
Fireclay and high-alumina refractories—Determination of magnesium oxide content—Xylidyl blue Ⅰ-CTAB photometric method
GB/T 14353.14-1993
Methods for chemical analysis of copper ores lead ores and zinc ores—Determination of germanium content—Phenylfluorone-cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction
HG/T 5072-2016
Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide
HG/T 5073-2016
Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide
HG/T 5652\uff5e5654-2019
HG/T 5654-2019
YS/T 981.4-2014
Method for chemical analysis of high pure indium—Determination of tin content—Benzfluorenone-cetyltrimethylammonium bromide spectrophotometric method
HG/T 5072~5074-2016