GOST EN 12014-3-2015 食品. 硝酸盐和/或亚硝酸盐含量的测定. 第3部分. 在硝酸盐到亚硝酸盐的酶促还原反应之后对肉制品硝酸盐和亚硝酸盐含量的分光光度法测定
Foodstuffs. Determination of nitrate and/or nitrite content. Part 3. Spectrophotometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite