One column procedure for Hf purification in geological samples using anion exchange chromatography and its isotopic analyses by MC-ICP-MS

被引：0
|
作者：
Yang Y H [1 ]
Zhang H F
Liu Y
Xie L W
Qi C S
Tu X L
机构：
[1] Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
[2] Chinese Acad Sci, Guangzhou Inst Geochem, Key Lab Isotope Geochronol & Geochem, Guangzhou 510640, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
来源：
ACTA PETROLOGICA SINICA | 2007年 / 23卷 / 02期
关键词：
Hf isotope; MC-ICP-MS; anion exchange chromatography; geological samples;
D O I：
暂无
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
A one-column procedure for Hf purification in geological samples using anion exchange chromatography and its isotopic analyses by MCACP-MS was developed in this paper. The chemical separation between Hf and isobaric elements such as Lu, Yb and matrix material, like Ti was carried out simultaneously through popular anion exchange chromatography. This technique avoids using popular multiple ion exchange chromatography, special extraction chromatographic resins and perchloric acid to break down Hf and REE fluorides after HF dissolved the rock. Hf yields are > 90% and total procedural blanks are ca. 50pg. Multiple analyses of Standard Reference Materials demonstrate that this method was simple, time-saving, inexpensive and efficient, especially suitable for the Hf isotopic composition of young samples.
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页码：227 / 232
页数：6
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