BS DD ENV 12014-3:1998
食品 硝酸盐和/或亚硝酸盐含量的测定 用酶法将硝酸盐还原为亚硝酸盐后用光谱法测定肉制品中的硝酸盐和亚硝酸盐含量
Foodstuffs. Determination of nitrate and/or nitrite content-Spectrometric determination of nitrate and nitrite content of meat products after enzymatic reduction of nitrate to nitrite