Abstract
It is important to determine the elemental content of scalp hair to evaluate human health and environmental contamination. Here, a new sample preparation method for total reflection X-ray fluorescence analysis was developed by directly digesting the human hair on the sample holder. A human hair sample was subjected to thermal nitric acid treatment for sample digestion and homogenization. The Zn concentration was estimated to be ~ 1.89 × 102 μg/g. We can evaluate other elements of human hair by using this method.
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A part of this work was supported by JSPS KAKENHI Grants 17H03080, 17H01481, and 18H01755.
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Matsuyama, T., Hayakawa, T., Inoue, F. et al. Direct digestion of human scalp hair on the substrate used for total reflection X-ray fluorescence analysis. ANAL. SCI. 38, 821–824 (2022). https://doi.org/10.1007/s44211-022-00095-6
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DOI: https://doi.org/10.1007/s44211-022-00095-6