Microanalysis of Zinc by Atomic Absorption After its Solid Phase Extraction on Microcrystalline Naphthalene

M. Satake*, M. C. Mehra, T. Nagahiro* and M. Katyal**

Chemistry Department, Universite de Moncton, N.-B.. (Canada)

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ABSTRACT:

Trace enrichment of zinc from an aqueous phase has been achieved through sorption of its oxinate complex onto microcrystalline naphthalene. It is back extracted simply by shaking with a xylene -H NO3 mixture and determined by flame atomic absorption in air acetylene mode. The procedure has been successfully employed toward zinc analysis in aqueous samples, human hair and alloy samples.

KEYWORDS:

Microanalysis; Microcrystalline; Naphthalene