Abstract
Arsenic, antimony, cadmium, selenium and germanium were determined in iron-rich spring-water samples with the use of a molybdenum-coated L'vov platform. With this method, iron spectral interference effects were eliminated without the use of Zeeman effect background correction. Analytical sensitivities of 1 μg l −1 and an r.s.d. of 2–3% were obtained. Only germanium could not be determined directly, but required the use of standard addition. Selenium concentrations in the samples were below the detection limit.
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