Academic literature on the topic 'Trapping of hydride forming elements'

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Journal articles on the topic "Trapping of hydride forming elements"

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Matusiewicz, H., and R. E. Sturgeon. "Atomic spectrometric detection of hydride forming elements following in situ trapping within a graphite furnace." Spectrochimica Acta Part B: Atomic Spectroscopy 51, no. 4 (March 1996): 377–97. http://dx.doi.org/10.1016/0584-8547(95)01419-5.

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Tsalev, D. L., and P. B. Mandjukov. "Electrothermal atomic absorption spectrophotometric determination of hydride-forming elements after simultaneous preconcentration by hydride generation and trapping hydrides in cerium(iv)-potassium iodide absorbing solution." Microchemical Journal 35, no. 1 (February 1987): 83–93. http://dx.doi.org/10.1016/0026-265x(87)90202-5.

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Alp, Orkun, and Nusret Ertaş. "In-situ trapping arsenic hydride on tungsten coil and comparing interference effect of some hydride forming elements using different types of atomizers." Microchemical Journal 128 (September 2016): 108–12. http://dx.doi.org/10.1016/j.microc.2016.03.021.

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Murphy, James, Gerhard Schlemmer, Ian L. Shuttler, Phil Jones, and Steve J. Hill. "Simultaneous multi-element determination of hydride-forming elements by “in-atomiser trapping” electrothermal atomic absorption spectrometry on an iridium-coated graphite tube." J. Anal. At. Spectrom. 14, no. 10 (1999): 1593–600. http://dx.doi.org/10.1039/a904468j.

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Dočekal, Bohumil, Seref Gücer, and Anna Selecká. "Trapping of hydride forming elements within miniature electrothermal devices: part I. investigation of collection of arsenic and selenium hydrides on a molybdenum foil strip." Spectrochimica Acta Part B: Atomic Spectroscopy 59, no. 4 (April 2004): 487–95. http://dx.doi.org/10.1016/j.sab.2003.11.004.

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Krejčí, Pavel, Bohumil Dočekal, and Zuzana Hrušovská. "Trapping of hydride forming elements within miniature electrothermal devices. Part 3. Investigation of collection of antimony and bismuth on a molybdenum foil strip following hydride generation." Spectrochimica Acta Part B: Atomic Spectroscopy 61, no. 4 (April 2006): 444–49. http://dx.doi.org/10.1016/j.sab.2006.03.006.

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Dočekal, Bohumil. "Trapping of hydride forming elements within miniature electrothermal devices. Part 2. Investigation of collection of arsenic and selenium hydrides on a surface and in a cavity of a graphite rod." Spectrochimica Acta Part B: Atomic Spectroscopy 59, no. 4 (April 2004): 497–503. http://dx.doi.org/10.1016/j.sab.2004.01.007.

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Matusiewicz, Henryk, and Mariusz Kopras. "Simultaneous determination of hydride forming elements (As, Bi, Ge, Sb, Se) and Hg in biological and environmental reference materials by electrothermal vaporization–microwave induced plasma-optical emission spectrometry with their in situ trapping in a graphite furnace." J. Anal. At. Spectrom. 18, no. 12 (2003): 1415–25. http://dx.doi.org/10.1039/b309359j.

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Barth, P., V. Krivan, and R. Hausbeck. "Cross-interferences of hydride-forming elements in hydride-generation atomic absorption spectrometry." Analytica Chimica Acta 263, no. 1-2 (June 1992): 111–18. http://dx.doi.org/10.1016/0003-2670(92)85432-6.

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Wang, Yu, Kailai Xu, Xiaoming Jiang, Xiandeng Hou, and Chengbin Zheng. "Dual-mode chemical vapor generation for simultaneous determination of hydride-forming and non-hydride-forming elements by atomic fluorescence spectrometry." Analyst 139, no. 10 (2014): 2538–44. http://dx.doi.org/10.1039/c4an00066h.

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Dissertations / Theses on the topic "Trapping of hydride forming elements"

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Krejčí, Pavel. "Studium miniaturních zařízení pro kolekci hydridotvorných prvků v atomové spektroskopii." Doctoral thesis, Vysoké učení technické v Brně. Fakulta chemická, 2011. http://www.nusl.cz/ntk/nusl-233325.

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Capability of a prototype of miniature collection device based on a strip of the molybdenum foil for collecting hydride forming elements (As, Se, Sb and Bi) was studied. The device was combined with a miniature hydrogen diffusion flame for detection by atomic absorption spectrometry. The conditions for trapping and subsequent vaporization of analytes of interest were optimized. A twin-channel hydride generation system was used for study of mutual interference effects of co-generated hydride forming elements. The influence of modification of the molybdenum surface with noble metals - Rh, Pt and Ir on trapping and vaporization processes was also studied and changes of microstructure of the foil surface after modification were investigated using scanning electron microscope equipped with energy dispersive x-ray analyzer and electron backscattered diffraction system. Complementary radiotracer and radiography experiments were performed in order to determine trapping efficiency and to assess the spatial distribution of collected analytes within the device. Practical application of the method was demonstrated on determination of antimony in water samples at trace level. Possibility of multi-element analysis was demonstrated by combining the collection device with atomization and excitation of the analyte in microwave induced plasma and with detection by atomic emission spectrometry method. The results of the experiments proved that tested miniature collection device is capable of trapping analytes that form volatile hydrides. This device can be coupled to various types of atomizers, typically used in spectrometry methods. Thus, very sensitive and specific detection of hydride forming elements can be performed.
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Pyen, Grace SungOun. "System for simultaneous determination of hydride-forming elements using inductively coupled plasma optical emission spectrometry." Diss., Georgia Institute of Technology, 1986. http://hdl.handle.net/1853/27393.

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Rodriguez, Toledo Yustina. "Determination of hydride -forming elements by atomic spectrometry." 2006. https://scholarworks.umass.edu/dissertations/AAI3242361.

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The parameters affecting the generation of stibine (SbH3) from homogeneous borohydride solutions and immobilized borohydride were evaluated for a flow injection system coupled to a quartz tube atomic absorption spectrometer. The stibine release and transport efficiency were affected by the design of the hydride generator and the vapor generation conditions. A new method for the determination of antimony by quartz tube atomic absorption spectrometry with flow injection chemical vapor generation from a tetrahydroborate-form anion exchanger was developed. Flow injection hydride generation parameters were optimized. Several samples could be injected before the column was reloaded with borohydride. Interferences from transition and hydride forming elements and signal suppression due to high ionic strengths were eliminated. The developed method was successfully applied for the determination of antimony in spiked natural waters. Several synthetic organic cation exchangers, inorganic ion exchangers and organic sorbent ion exchangers were evaluated as selective sorbents for inorganic antimony preconcentration without prior complexation. Neither the organic cation exchangers, nor the organic sorbent ion exchangers gave good results. Only one of the inorganic ion exchangers evaluated gave satisfactory results. The different parameters affecting the generation of arsine, bismuthine and hydrogen selenide from immobilized borohydride were evaluated by using a flow injection system coupled with a quartz tube atomic absorption spectrometer. Hydrides from these elements were generated from immobilized borohydride in the presence of other hydride-forming elements. In all cases, multiple injections were made before the column needed to be reloaded with borohydride. A new method for the simultaneous determination of antimony, arsenic, bismuth, selenium, tin and mercury by flow injection chemical vapor generation atomic emission spectrometry with tetrahydroborate immobilized on a strong anion exchange resin was developed for the first time. Both flow injection and vapor generation parameters were optimized. Simultaneous vapor generation, good sensitivities and low detection limits were achieved. The developed method was successfully applied to the determination of antimony, arsenic, bismuth, selenium, tin and mercury in natural water samples and a standard reference material with satisfactory results. Preliminary results for chemical vapor generation of manganese, zinc, nickel, cobalt, iron and lead were obtained.
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Books on the topic "Trapping of hydride forming elements"

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Marshall, G. D. An assessment of the IL 440 atomic-vapour accessory for the determination of gaseous hydride-forming elements by atomic-absorption spectrometry. Randburg, South Africa: Council for Mineral Technology, 1987.

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