Determination of lead isotope ratios in uranium mine products in South Africa by means of inductively coupled plasma mass spectrometry

被引：8
|
作者：
Mathuthu, Manny [1 ]
Khumalo, Ntokozo [1 ]
机构：
[1] North West Univ Mafikeng, CARST, ZA-2735 Mmabatho, South Africa
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 315卷 / 01期
关键词：
Mining products; Uranium; ICP-MS; Lead isotopic ratio; Nuclear forensic signatures; USGS REFERENCE MATERIALS; ICP-MS; U-PB; TRACE-ELEMENT; BLACK REEF; ORIGIN; GOLD; ORES;
D O I：
10.1007/s10967-017-5641-z
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Nuclear terrorism has led to newer investigative methods for building national nuclear forensic libraries. The objective of this work was to resolve these signatures by applying the ICP-MS for isotope ratio (IR) analysis on uranium containing samples. Lead (Pb) isotope ratios for the studied gold mine has Pb-207/Pb-204 values between 13-20 and Pb-206/Pb-204 values ranging from 16-25, which confirm that the Carletonville gold fields are of uraninite detrital pyrite deposits. Trace elemental concentrations indicated a pyrite type of uranium deposit. Uranium in the deposit exhibits geochemical signatures of the radiogenic formations of the ore enhanced in Pb-206.
引用
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页码：1 / 12
页数：12
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