RARE-EARTH ELEMENTS IN HYDROTHERMAL FLUIDS AND PLUME PARTICULATES BY INDUCTIVELY-COUPLED PLASMA-MASS SPECTROMETRY

被引：76

作者：

KLINKHAMMER, G

GERMAN, CR

ELDERFIELD, H

GREAVES, MJ

MITRA, A

机构：

[1] MIT,DEPT EARTH ATMOSPHER & PLANETARY SCI,CAMBRIDGE,MA 02139

[2] UNIV CAMBRIDGE,DEPT EARTH SCI,CAMBRIDGE CB3 0EZ,ENGLAND

来源：

MARINE CHEMISTRY | 1994年 / 45卷 / 03期

关键词：

D O I：

10.1016/0304-4203(94)90001-9

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This paper describes the measurement of the rare earth elements (REE) in fluids from deep-sea hydrothermal vents and in the particles that form as these fluids mix with sea water. The REE are extracted from fluids by coprecipitation with hydrated iron (III). The REE are isolated from other elements on miniature cation exchange columns before being measured by inductively coupled plasma mass spectrometry (ICP-MS). Column separations overcome the problem of sensitivity depression caused by high dissolved solids at the orifice of the mass spectrometer and minimize isobaric interferences from barium. Inter-laboratory calibrations with isotope-dilution thermal ionization mass spectrometry (IDTIMS) demonstrate that the ICP-MS results are accurate at the 6% (2sigma) level.

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页码：179 / 186

页数：8

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