NF EN 12014-7:1998 食品 硝酸鹽和/或亞硝酸鹽含量的測定 第7部分:用鎘還原后連續(xù)流動測定蔬菜和蔬菜產(chǎn)品中的硝酸鹽含量
Food products - Determination of nitrate and/or nitrite content - Part 7: determination of nitrate content by continuous flow in vegetables and vegetable products, after reduction with cadmium