DIN EN 12014-4:2005 食品.硝酸鹽和/或亞硝酸鹽含量測定.第4部分:肉制品中硝酸鹽和/或亞硝酸鹽含量的離子交換色譜法
Foodstuffs - Determination of nitrate and/or nitrite content - Part 4: Ion-exchange chromatographic (IC) method for the determination of nitrate and nitrite content of meat products; German version EN 12014-4:2005