DIN EN 12014-2:2018-02 食品硝酸鹽和/或亞硝酸鹽含量的測定第2部分:蔬菜和蔬菜產品硝酸鹽含量測定的HPLC/IC方法
Foodstuffs - Determination of nitrate and/or nitrite content - Part 2: HPLC/IC method for the determination of nitrate content of vegetables and vegetable products; German version EN 12014-2:2017