Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
ENRICHMENT OF COPPER IN ENVIRONMENTAL WATER SAMPLES ON A MEMBRANE FILTER AND DETERMINATION BY GRAPHITE FURNACE ATOMIC ABSORPTION SPECTROMETRY
Masahiko KANToshiko NASUMitsuhiko TAGA
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1991 Volume 7 Issue Supple Pages 1115-1116

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Abstract

Copper ions in environmental water samples are collected and enriched quantitatively on a membrane filter made of cellulose nitrate as the complex with N, N-diethyldithiocarbamate. The collection seems to occur not only mechanically but also chemically. The complex together with the membrane filter is dissolved in an organic solvent such as N, N-dimethylformamide (DMF) and copper in this DMF solution is determined by graphite furnace atomic absorption spectrometry. Copper at ppb levels can be easily determined.

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