摘要
本文研究了鲁米诺-KI-Tl(Ⅲ)体系的化学发光反应条件以及用泡沫塑料吸附分离干扰元素,化学发光分析岩矿中痕量Tl的方法。对Tl的检出限为2×10^(-10)g/ml,线性范围为2×10^(-10)—10^(-8)g/ml。
A new chemiluminescence system,Tl-KI-Luminol,for determination of thallium was developed. The reaction conditions have been studied. A linear range is obtained from 2.0×l0-10 to 1.0×l0-8g/ml and detection limit is 0.2ng/ml. This method is rapid, simple, selective, sensitive and accurate. Interfering ions can be separated with pelyurethane foam. It has been applied successfully for determination of trace thallium in rocks.
出处
《岩矿测试》
CAS
CSCD
北大核心
1991年第1期47-49,共3页
Rock and Mineral Analysis
关键词
矿物
铊
化学发光法
鲁米诺
碘化钾
chemiluminescence,luminol, thallium determination.
