Abstract
A technique has been developed for the determination of copper in saline waters by extraction of its complex with ammonium pyrollidine dithiocarbamate into methyl isobutyl ketone and subsequent analysis by atomic absorption spectrophotometry. The method is self-compensating for any incomplete extraction of copper. With a 15:510 solvent-aqueous phase ratio, a sensitivity of 0.2 p.p.b. and a precision of ±10% were achieved. The method was used to determine copper in a number of sea water and other'saline water samples.
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