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We describe procedures for direct determination of lead and cadmium in blood and urine by flameless atomic absorption spectrophotometry. Before analysis, the samples are pre-ashed in microboats in an ordinary laboratory oven. In this way, many samples can be prepared and pre-ashed simultaneously. We find the procedures presented in this work to be rapid,(More)
Healthy volunteers without nickel hypersensitivity were given 5.6 mg nickel orally. The nickel concentration was assayed in urine, serum and sauna-provocated sweat from hands and trunk before and after nickel ingestion. The nickel concentration in serum increased in all subjects, and in most cases in urine, but not decisively in sweat.
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