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- E-ISSN 2288-8985
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- P-ISSN1225-0163
- E-ISSN2288-8985
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A study on the Determination of Trace Se and Bi in the Scalp Hair by Hydride Generation- Inductively Coupled Plasma Atomic Emission Spectrometry
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1996, v.9 no.1, pp.26-34
Choi,
B. S., &
Lee,
D.
K.
(1996). A study on the Determination of Trace Se and Bi in the Scalp Hair by Hydride Generation- Inductively Coupled Plasma Atomic Emission Spectrometry. Analytical Science and Technology, 9(1), 26-34.
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Abstract
A method to determine the trace amount of Se and Bi in the scalp hair using the hydride generation inductively coupled plasma atomic emmission spectrometry was studied. The optimum operation conditions of ICP for hydride generation are 0.6~0.8L/min for the carrier gas flow rate, and 6mm above the induction coil for the observation height. Hydrochloric acid concentrations for the optimum hydride generation conditions were greater than 1.5M when 2.5% <TEX>$NaBH_4$</TEX> and NaOH were used, and greater than 0.5M when 2.5% <TEX>$NaBH_4$</TEX> and 0.1% NaOH were used. Severe interference effects are observed from transition metals such as Cu and Ni, and they could be circumvented by the coprecipitation with lanthanum hydroxide.
- keywords
- Hydride generation ICP-AES, Scalp hair, Selenium, Bismuth
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