Abstract
Preliminary investigations concerning the surface and lifetime of rejuvenated graphite tubes were carried out in order to recuperate exhausted graphite tubes considered unusable for flameless atomic absorption spectroscopy. The effect of a tungsten carbide surface on the sensitivity and precision of Cu and Cr and the lifetime of the new surface in oxidant media are reported.
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de Benzo, Z.A., Castro, G., Carrión, N. et al. Preliminary study on the recuperation of exhausted graphite tubes for the analysis of Cu and Cr by ETAAS. Mikrochim Acta 88, 311–324 (1986). https://doi.org/10.1007/BF01206724
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DOI: https://doi.org/10.1007/BF01206724