Determining cadmium in marine sediments by inductively coupled plasma mass spectrometry : Attacking the problems or the problems with the attack?

The cause of apparently high cadmium values obtained following hydrogen fluoride digestion of marine sediments was investigated. Digested sediment samples were analysed by inductively coupled plasma mass spectrometry alongside certified reference material and blanks. Results were compared with those...

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Bibliographic Details
Published in:Analyst (London) 1997, Vol.122 (11), p.1207-1210
Main Authors: COOK, J. M, ROBINSON, J. J, CHENERY, S. R. N, MILES, D. L
Format: Article
Language:English
Subjects:
Earth sciences
Earth, ocean, space
Exact sciences and technology
Geochemistry
Geochemistry: general, methodology, regional studies
Marine and continental quaternary
Surficial geology
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Summary:The cause of apparently high cadmium values obtained following hydrogen fluoride digestion of marine sediments was investigated. Digested sediment samples were analysed by inductively coupled plasma mass spectrometry alongside certified reference material and blanks. Results were compared with those obtained by another laboratory. Interelement interference was investigated and showed that the zirconium and tin interferred with cadmium giving a slightly positive bias. The study highlighted and discussed the problems of obtaining consistent datasets between different laboratories using different preparation schemes.
ISSN:0003-2654
1364-5528
DOI:10.1039/a705973f