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Simultaneous Determination of Mercury and Arsenic by Reductive Vapor Generation-ICP-AES
Analytical Science and Technology / Analytical Science and Technology, (P)1225-0163; (E)2288-8985
1999, v.12 no.4, pp.273-278
Shin,
H., Choi,
M., &
Kim,
K.
(1999). Simultaneous Determination of Mercury and Arsenic by Reductive Vapor Generation-ICP-AES. Analytical Science and Technology, 12(4), 273-278.
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Abstract
Simultaneous determination of mercury and arsenic has been studied by reductive vapor generation-ICP-AES. Samples were digested with a microwave digestion system and extracted with acids. Reductive vapor generation was carried out with 6N HCI and 2% <TEX>$NaBH_4$</TEX>. Detection limit of Hg and As are found to be 0.06 ppb and 0.08 ppb, respectively. Measured values of Hg and As in inorganic samples agree well with reference value of SRMs, but the recovery of As from organic samples is obtained approximately 80% of the reference values.
- keywords
- reductive vapor generation ICP-AES, arsenic, mercury
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