浊点萃取-分光光度法测定地质样品中的痕量金  

Determination of Trace Gold in Geological Samples by Spectrophotometry after Cloud Point Extraction

作　　者：郝雅萍 石佳颖 范玉梅 Hao Yaping;Shi Jiaying;Fan Yumei(The First Geological Brigade of the Bureau of Geology and Mineral Resources of Jiangsu Province,Jiangsu Nanjing 210041)

机构地区：[1]江苏省地质矿产局第一地质大队,江苏南京210041

出　　处：《化工时刊》2022年第10期17-19,共3页Chemical Industry Times

摘　　要：采用浊点萃取-分光光度法测定地质样品中的痕量金,金的线性范围为0~0.5μg·mL^(-1),加标回收率为97.8%~103.0%。该方法简单、快速,结果准确、精密度好。可用于普通地质样品中痕量金的测定,也可作为地球化学样品中金异常的快速筛查检测方法。The determination of trace gold in geological samples by cloud point extraction-spectrophotometry was studied.The linear range of gold is 0-0.5μg·mL^(-1),and the standard recovery is 97.8%-103.0%.The method is simple,rapid,accurate and precise.It can be used for the determination of trace gold in common geological samples and for the rapid screening and detection of gold anomalies in geochemical samples.

关 键 词：分光光度法 浊点萃取 金 地质样品 

分 类 号：O657[理学—分析化学]