n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n - n镍与二甲基乙二肟在碱性氧化剂存在下反应，形成一种特征的红色络合物，可以用目视和光度法测定。JF - Current World Environment JA - VL - 7 IS - 8 UR - www.a-i-l-s-a.com/article/114/ SP - EP - PB - M3 - 10.12944/CWE.3.1.28 ER -