Abstract

Summary The addition of known masses of copper or aluminium to individual beads of ion-exchange resin provides a stable matrix of known metal content for use in calibrating the carbon-furnace atomic absorption spectrometric determination of trace metals in individual hair segments. Relative standard deviations of 8–11% are obtained for 0.5–1.5 ng of copper and aluminium. The results support the suggestion that aqueous solutions are suitable for calibrating the determination of certain trace elements in hair by this method.

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