ASTM D3867 - 09 Standard Test Methods for Nitrite Nitrate in Water These test methods replace Test Methods D 1254 (Nitrite) and D 992 (Nitrate). The nitrite test method (Test Method D 1254) used a reagent that is considered to ...
蔬菜中硝酸鹽及亞硝酸鹽之檢驗方法Method of Test for Nitrate and ... 適用範圍:本檢驗方法適用於蔬菜中硝酸鹽及亞硝酸鹽之檢驗。 2. 檢驗方法:檢體經 萃取及淨化後,以高效離子層析儀(high.