Global ETD Search

111	Development of acillary techniques for chromatographic analysis of trace organic pollutants in environmental samples 吳祖成, Wu, Zucheng. January 1995 (has links) published_or_final_version / Chemistry / Doctoral / Doctor of Philosophy Volatile organic compounds - Analysis. Chromatographic analysis.
112	DIGITAL SIGNAL PROCESSING TECHNIQUES APPLIED TO CHROMATOGRAPHY Villalanti, Carl Daniel January 1980 (has links) The field of analytical chemistry has always taken advantage of advances from other fields. The application of digital signal processing techniques to chromatographic systems has been shown to enhance the chemical information concerning the solute-adsorbent interaction. Applying the techniques of Fourier transforms, spectrum analysis, correlation, and convolution has expanded the scope of multiple injection type experiments. A review of these signal processing techniques relevant to analytical chemistry is given. The effects of restricting the concentration range a solute undergoes was the impetus for a new type of multiple injection experiment, known as frequency modulated (FM) correlation chromatography. By limiting the deviation in concentration to a small portion of the isotherm, gaussian shaped peaks can be obtained even when working in a nonlinear portion of the isotherm. The characterization of the experimental parameters in FM experiments (i.e. carrier frequency and modulation bandwidth) and the effects on peak shape, retention time, and signal-to-noise ratios was evaluated. The FM multiple injection technique was then applied to the study of linear and nonlinear behavior on a homogenous (i.e. Porapak) and heterogeneous (i.e. Durapak) chromatographic support. Specific types and strengths of solute-adsorbent interacts are proposed. The implications of multiplex and modulated techniques to linear system chromatography and the isolation of extra-column band-broadening effect (via a Fourier deconvolution approach) in modern open tubular GC and HPLC conclude this work. Frequencies of oscillating systems.
113	CHROMATOGRAPHIC INVESTIGATION OF THE TRACE LIPIDS IN HONEY Smith, Milton Reynolds, 1934- January 1963 (has links) No description available. Honey -- Analysis. Lipids -- Analysis. Chromatographic analysis.
114	Chromatographic separation of the products of periodic acid oxidation of carbohydrates Ingham, John Davidson, 1927- January 1951 (has links) No description available. Carbohydrates -- Oxidation. Carbohydrates -- Analysis. Chromatographic analysis.
115	A study of the glow discharge supersonic jet interface Smith, Robert Vanderhoof 12 1900 (has links) No description available. Glow discharges Supersonic planes Chromatographic analysis
116	Mathematical modeling of a continuous annular chromatograph Chastain, Cheryl Lynne 08 1900 (has links) No description available. Separation (Technology)
117	Phase equilibria of alkanes in supercritical carbon dioxide determined from chromatographic data Chandler, Karen 08 1900 (has links) No description available. Phase rule and equilibrium Alkanes Chromatographic analysis
118	Determination of total selenium and seleno-amino acids in yeast and aquatic organisms by liquid chromatography and inductively coupled plasma mass spectrometry Wan, Lili, 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 4, 2008) Vita. Includes bibliographical references.
119	Protein characterization by capillary isoelectric focusing electrophoresis, reversed phase liquid chromatography and mass spectrometry Zhou, Feng. January 2008 (has links) Thesis (Ph. D.)--University of Delaware, 2007. / Principal faculty advisor: Murray V. Johnston, III, Dept. of Chemistry & Biochemistry. Includes bibliographical references.
120	Process development for downstream processing of human growth hormone and its antagonist Zheng, Yizhou. January 1994 (has links) Thesis (Ph. D.)--Ohio University, November, 1994. / Title from PDF t.p.

Search results