摘要
研究了在Tween-20增溶下,双硫腙水相直接光度法测定的系列条件,同时,用微波消解样品,不经分离富集,直接应用于尿中铅的测定,结果满意。最大吸收波长λ=480nm,ε480=1.
The content of Pb in urine was determined with microwave digestion and dithizone - waterphase. The results were satisfactory.
出处
《广东微量元素科学》
CAS
1998年第6期9-11,共3页
Trace Elements Science
关键词
微波消解
双硫腙
分光光度法
铅
Microwave digestion, Dithizone, Spectrophotometric method