QB/T 1914-2013
Determination of mean relative molecular weight of alkyltrimethylammonium halide and alkyldimethylbenzylammonium halide by GC
GBZ/T 300.82-2017
Determination of toxic substances in workplace air-Part 82: Benzyl chloride and p-chlorotoluene
QB/T 1914-1993
JB/T 6237.1-2008
Test methods for chemical analysis of silver powder for electric contact material-Part 1:Determination of silver content
QB/T 4646-2014
Dimethyl benzyl carbinyl butyrate
QB/T 4658-2014
Dimethyl benzyl carbinyl acetate
HG/T 2230-2006
Water treatment chemicals-Dodecyl dimethyl benzyl ammonium chloride
JB/T 6237.1-1992
SH 2604.08-2003
Water treatment chemicals-Dodecyl(tetradecyl)dimethyl benzyl ammonium chloride
QB/T 1915-2021
HG/T 2230-1991
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
32015D1875
HG/T 6314-2024
HG/T 4890~4891-2016
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
YB/T 4744-2019
4-Methylphenol
QB 1915-1993
HG/T 5623-2019
GB/T 38401-2019(\u82f1\u6587\u7248)
皮革和毛皮 化学试验 二甲基甲酰胺含量的测定