脂肪烷基二甲基甜菜碱平均相对分子质量的测定 气相色谱法
Determination of mean relative molecular weight of alkyldimethylbetain by GC
2013-10-17
QB/T 1914-2013
脂肪烷基三甲基卤化铵及脂肪烷基二甲基苄基卤化铵平均相对分子质量的测定 气相色谱法
Determination of mean relative molecular weight of alkyltrimethylammonium halide and alkyldimethylbenzylammonium halide by GC