Abstract
Electrothermal vaporization-inductively coupled plasma atomic emission spectrometry was applied to the determination of trace metals in some biological samples on in-furnace standard addition method. Powdered samples were decomposed using a sealed PTFE vessel and a microwave oven; the sample solution served for measurements without any additional treatment. The sample solution was injected into a graphite furnace and a standard solution containing ammonium dihydrogenphosphate, as a matrix modifier, was added; the two solutions were mixed in the furnace. The present method was applied to the determination of trace metals in some reference materials; the analytical results agreed well with the certified values.
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Isoyama, H., Okuyama, S., Uchida, T. et al. In-Furnace Standard Addition Method for the Determination of Trace Metals in Biological Samples by Electrothermal Vaporization-Inductively Coupled Plasma Atomic Emission Spectrometry. ANAL. SCI. 6, 555–560 (1990). https://doi.org/10.2116/analsci.6.555
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DOI: https://doi.org/10.2116/analsci.6.555