食品接触材料 纸、再生纤维材料 二硬脂基二甲基氯化胺、双(氢化牛油烷基)二甲基氯化铵、二(硬化牛油)二甲基氯化铵总量的测定 液相色谱-质谱/质谱法
Food contact materials-Panper and regenerated fiber-Determination of total content of distearyl dimethyl ammonium chloride,ditallow alkyl dimethyl ammonium chloride,and di(hydrogentated tallow)dimethyl ammonium chloride-Liquid chromatography-tandem mass spectrometry
2013-08-30
GB/T 33913.1-2017
三苯基膦氯化铑化学分析方法 第1部分:铑量的测定 电感耦合等离子体原子发射光谱法
Method for chemical analysis of tris(triphenylphosphine) rhodium(I) chloride—Part 1:The determination of rhodium content—Inductively coupled plasma atomic emission spectrometry
2017-07-12
YS/T 563-2009
贵金属合金化学分析方法 铂钯铑合金中钯量、铑量的测定 丁二肟重量法、氯化亚锡分光光度法
Methods for chemical analysis of precious metals alloys—Platinum-palladium-rhodium alloys—Determination of palladium and rhodium content—Diacetyldioxime gravimetriy,tin (Ⅱ)chloride spectrophotometry
2009-12-04
HG/T 2230-2006
水处理剂 十二烷基二甲基苄基氯化铵
Water treatment chemicals-Dodecyl dimethyl benzyl ammonium chloride
2006-07-26
UNE-EN 1421-2006
Chemicals used for treatment of water intended for human consumption - Ammonium chloride
人类生活用水处理用化学品.氯化铵