DIN EN 12014-5:1997-08 食品.硝酸鹽和/或亞硝酸鹽含量的測(cè)定.第5部分:嬰兒和嬰兒含蔬菜食品中硝酸鹽含量的酶法測(cè)定
Foodstuffs - Determination of nitrate and/or nitrite content - Part 5: Enzymatic determination of nitrate content of vegetable-containing food for babies and infants; German version EN 12014-5:1997