Standard test method for single - point determination of specific surface area of catalysts and catalyst carriers using nitrogen adsorption by continuous flow method 连续流动法单点测定用氮吸附的催化剂和催化剂载体比表面积的标准试验方法
Env 12014 - 7 foodstuffs . determination of nitrate and or nitrite content . part 7 : continuous flow method for the determination of nitrate content of vegetables and vegetable products after cadmium reduction 食品.硝酸盐和或亚硝酸盐含量的测定.第7部分:连续流动法测定镉还原后蔬菜和蔬菜制品中硝酸盐含量