摘要
研究了ＮＨ３／ＮＨ４Ｃｌ底液中，铜、铅与水杨基荧光酮（ＳＡＦ）形成的络合物在悬汞电极上的恒电流吸附计时电位溶出行为。讨论了富集时间，溶液ｐＨ值，溶出恒电流大小及铜、铅浓度比值等对ｄｔ／ｄＥ～Ｅ溶出曲线的影响。并得出了连测铜铅的条件。
The behaviour of the complex of copper and lead with salicylfluorone (SAF) adsorbed on HMDE has been investigated by derivative adsorption chronopotentiometry in NH 3/NH 4Cl.The dependence of the peak height on the dt/dE vs. E curve on the preconcentration time,pH walue of solution,constant reducing current and ratio of concentration of copper to lead has been discussed.This method achieves the simultaneous determination of copper and lead in human hair.
出处
《分析试验室》
CAS
CSCD
1998年第6期32-34,共3页
Chinese Journal of Analysis Laboratory
关键词
吸附计音
电位法
铜
铅
水杨基荧光酮
测定
Adsorption chronopotentiometry
simultaneous determination copper
lead
salicylfluorone
