照相化学品 溴化钾(乳剂用)
Photographic grade chemicals potassium bromide for emulsion
2002-01-24
YS/T 276.2-2011
铟化学分析方法 第2部分:锡量的测定 苯基荧光酮-溴代十六烷基三甲胺分光光度法
Methods for chemical analysis of indium—Part 2:Determination of tin content—Phenylfluorone-cetyltrimethyl ammonium bromide spectrophotometry
2011-12-20
GB/T 20432.3-2008
摄影 照相级化学品 试验方法 第3部分:氨水不溶物的测定
Photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter in ammonium hydroxide solution
Photography — Photographic-grade chemicals — Test methods — Part 3: Determination of matter insoluble in ammonium hydroxide solution
摄影与摄影;摄影级化学品——试验方法第3部分:氢氧化铵溶液中不溶物的测定
1992-12-30
YS/T 509.7-2008
锂辉石、锂云母精矿化学分析方法 氧化铍量的测定 铬天青S-CTMAB分光光度法
Methods for chemical analysis of spodumene and lepidolite concentrates—Determination of beryllium oxide content—Chromazurol S and cetyltrimethyl ammonium bromide spectrophotometric method
2008-03-12
YS/T 226.3-2009
硒化学分析方法 第3部分:铝量的测定 铬天青S-溴代十六烷基吡啶分光光度法
Methods for chemical analysis of selenium—Part 3:Determination of aluminum content—Chrome azurol S-cetyl trimethyl ammonium bromide absorption photometric method