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Solid phase extraction of aldosterone and analysis using amperometric detection /Saulitis, Barbara Susan. January 1996 (has links)
Thesis (M.S.)--Youngstown State University, 1996. / Includes bibliographical references (leaves 105-111).
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A conductivity probe for the measure of local void fraction in two-phase flow project report /Lafferty, J. F. January 1966 (has links)
Thesis (M.S.)--University of Michigan, 1966.
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A conductometric study involving some salts in the glacial acetic acid systemKho, Boen Tong, January 1957 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1957. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 121-123).
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A preliminary investigation of the determination of ionic mobilities by conductometric titrationFestenstein, Gerald Norman January 1947 (has links)
The determination of ionic mobilities by conductometric titration was first suggested by Barker, Rowler and Shuttleworth in discussing the theory of conductometric titration of acids, bases and neutral salts. Intro. p. 1.
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The development of an amperometric method of measuring NADH-coupled enzyme concentration using Bindschedler's green.Smith, Marilyn Dix January 1972 (has links)
No description available.
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Electrochemical methods for speciation of inorganic arsenicD'Arcy, Karen Ann 01 January 1986 (has links)
Arsenic is found in the environment in several oxidation states as well as in a variety of organoarsenic compounds. This situation puts additional demands on the analysis in that it is desirable to measure the amount of each species, not just all of the arsenic. The reason for this is that the different species have greatly different toxicities; of the major inorganic forms, As(III) is much more toxic than As(V). The goal of this research was to develop a convenient method for the analysis of mixtures of As(III) and As(V) at trace levels. Electroanalytical methods are inherently sensitive to oxidation states of elements and therefore are a natural choice for this problem. In fact, a method was developed some years ago for As(III) that used differential pulse polarography: the detection limit is 0.3 parts per billion (ppb). However, As(V) was not detected since in its usual form as an oxyanion it is electrochemically inactive. There are coordinate compounds formed with catechol, AsL(,n)(n = 1-3), that can be reduced at a mercury electrode, but the active species, AsL, is only a small fraction of the major species, AsL(,3), so the detection limit is only 500 ppb. Many details of the electrochemistry of this unusual compound were examined in this work. In order to improve detection limits, a method involving cathodic stripping was developed. It involves codeposition of copper with arsenic on a mercury electrode to effectively concentrate the analyte. Then the elemental arsenic is converted to arsine, AsH(,3), during a cathodic potential scan. The resulting current peak is proportional to As(III) in the absence of catechol and to the sum of As(III) and As(V) in the presence of catechol. It was observed that the current peak was considerably larger than expected and additional experiments revealed that there was evolution of hydrogen during the formation of arsine. This is rather unusual in electrochemical reactions and so some of the details of this catalyzed coreaction were examined. The result is a fortunate enhancement of detection limit so that As(v) at 40 ppb can be measured.
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Amperometric nonaqueous titrations of the thenoyltrifluoroacetonates of some metals with sodium diethyldithiocarbamate as titrantFung, Dorcas May-Ling. January 1978 (has links)
No description available.
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Amperometric nonaqueous titrations of the thenoyltrifluoroacetonates of some metals with sodium diethyldithiocarbamate as titrantFung, Dorcas May-Ling. January 1978 (has links)
No description available.
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Spectral and electrochemical study of the response of mechanism of ionphore-based polymeric membranesLong, Robert F., January 2006 (has links) (PDF)
Dissertation (Ph.D.)--Auburn University, 2006. / Abstract. Vita. Includes bibliographic references.
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Nano- and micro-scale studies of exocytosisShin, Won-Chul, January 2007 (has links)
Thesis (Ph.D.)--University of Missouri-Columbia, 2007. / The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file (viewed on March 24, 2009) Vita. Includes bibliographical references.
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