摘要
用原子吸收法测定土壤中Ca 含量时, 有高浓度Al 存在会产生负干扰。在待测液中加入Sr2 + 作为释放剂可以消除干扰, 并获得正确的测定值。
When determining Ca by atomic absorption, Al will exert minus influence. By adding Sr 2 as release reagent, the interference will be eliminated, the precise determination value can be obtained.
出处
《云南环境科学》
1999年第4期64-64,共1页
Yunnan Environmental Science