Improvement in cold vapor atomic absorption determination of mercury. B. Aizpún Fernández, M. R. Fernández de la Campa, Alfredo Sanz-Medel. 2H2O) was dissolved in 20 ml of hot concentrated HCl and diluted to 100 ml with deionized water. Improvements in the non-flame atomic fluorescence determination of mercury. Nojiri, Akira. The QuickTrace® M-7600 Cold Vapor Atomic Absorption (CVAA) Mercury Analyzer easily achieves the ultra-trace mercury detection limit of < 0.5 ng/L demanded by customers employing performance based EPA method 245.7. Academic & Science » Physics. Low-pressure, microwave-induced plasma spectrometry method for the determination of subnanogram quantities of mercury. All of the mercury in the sample solution placed in the reaction flask is chemically atomized and transported to the sample cell for measurement (Beaty and Kerber 1993). Suzuki. P. Neske, A. Hellwig, L. Dornheim, B. Thriene. Miscellaneous » Unclassified. Mark E. Churchwell, Robert L. Livingston, Donald L. Sgontz, Jerry D. Messman, Werner F. Beckert. Trace Elements: Data and Information in the Characterization of an Aqueous Ecosystem. Please note: If you switch to a different device, you may be asked to login again with only your ACS ID. Spectrochimica Acta Part B: Atomic Spectroscopy. Stannous chloride was chosen as the reducing agent in the analysis to increase precision and accuracy as compared to sodium tetrahydroborate because in the latter, it was found that the pH dependence of sodium tetrahydroborate for mercury (II) ion reduction introduced variance to mercury recoveries. It is Cold Vapor Atomic Absorption. 6.2 Flowmeter, capable of measuring an air flow of 1 L/min. TABLE 1 Analysis on the mercury content in registered Tongkat Ali preparations obtained in Malaysia. Free mercury atoms in a carrier gas are excited by a collimated ultraviolet light source at a wavelength of 253.7 nanometres. In addition, the DCA may reject, cancel, or suspend the registration of any product if deemed necessary (Newsletter of the Drug Control Authority Malaysia 2001). View or download all content the institution has subscribed to. Your Mendeley pairing has expired. Determination of sub-nanogram-per-liter levels of mercury in lake water with atmospheric pressure helium microwave induced plasma emission spectrometry. Chiba, Hiroki. C R C Critical Reviews in Analytical Chemistry. In this method, long-term mineralization of urine samples is not required because the total Hg concentrations can be measured after the addition of saturated KMnO4 and acid to the urine sample. Cold vapour atomic fluorescence spectroscopy, sometimes referred to by the acronym CVAFS, is a subset of the analytical technique known as atomic fluorescence spectroscopy (AFS). Hon, O.W. Kiyoshi. Author links open overlay panel D.R. These metrics are regularly updated to reflect usage leading up to the last few days. TELEDYNE LEEMAN NIC Milestone LUMEX Mercury-instruments Thermo Scientifi Perkin Elmer Analytik Jena HITACHI TEKRAN BUCK Scientific LECO Corporation Huaguang Haiguang Beijing Titan Beiguang Kaiyuan Juchuang. Otsuki, and Keiichiro. Find more information about Crossref citation counts. International Journal of Environmental Analytical Chemistry. Fresenius' Journal of Analytical Chemistry. Tanabe, Junichi. Minden, Penang, Malaysia. Milestone Specification and Application Table 48. “Method 245.1: Determination of Mercury in Water by Cold Vapor Atomic Absorption Spectrometry.” Revision 3.0. Continuous micro flow monitoring method for total mercury at sub-ppb level in wastewater and other waters using cold vapor atomic absorption spectrometry. Suarez, Jose R. Garcia, and Julio. 36%, of these products possessed 0.52 to 5.30 ppm of mercury and, therefore, do not comply with the quality requirement for traditional medicines in Malaysia (Tables 1 and 2). You’ve supercharged your research process with ACS and Mendeley! atomic absorption spectrometry - cold vapor technique. UNSPSC Code 15101508(Crude oil) Referencing This Standard. The mercury is reduced to the elemental state and aerated from solution 1n a closed system. https://doi.org/10.1016/S0165-9936(03)00407-2, https://doi.org/10.1080/00365519850186742, https://doi.org/10.1016/0003-2670(94)00066-2, https://doi.org/10.1016/S0167-9244(08)70143-4, https://doi.org/10.1016/S0167-9244(08)70162-8, https://doi.org/10.1016/0003-2670(93)80358-R, https://doi.org/10.1080/03067318908026863, https://doi.org/10.1016/S0003-2670(00)84605-X, https://doi.org/10.1016/S0065-2458(08)60534-3, https://doi.org/10.1016/S0167-9244(08)70305-6, https://doi.org/10.1016/0160-4120(88)90431-X, https://doi.org/10.1080/10408348808542813, https://doi.org/10.1080/00032718708064586, https://doi.org/10.1016/0160-4120(87)90009-2, https://doi.org/10.1016/0198-0149(83)90039-0, https://doi.org/10.1007/978-1-4684-3905-2_16, https://doi.org/10.1016/0584-8547(81)80123-1, https://doi.org/10.1016/S0003-2670(01)93177-0, https://doi.org/10.1016/S0003-2670(01)93124-1, https://doi.org/10.1080/03067317808071138, https://doi.org/10.1016/S0003-2670(01)93518-4, https://doi.org/10.1016/0003-2697(77)90306-2, https://doi.org/10.1016/S0003-2670(01)83017-8, https://doi.org/10.1016/S0003-2670(01)83048-8, https://doi.org/10.1016/S0003-2670(01)82854-3, https://doi.org/10.1016/S0003-2670(01)95157-8. 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