Search Results - "O’Haver, Thomas C."

Increasing chromatographic resolution of analytical signals using derivative enhancement approach by Wahab, M. Farooq, O’Haver, Thomas C., Gritti, Fabrice, Hellinghausen, Garrett, Armstrong, Daniel W.

“…A few decades ago, Giddings made a bleak statistical prediction stating that when using a chromatographic column with a peak capacity of n, one “has no real…”
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Power Law Approach as a Convenient Protocol for Improving Peak Shapes and Recovering Areas from Partially Resolved Peaks by Wahab, M. Farooq, Gritti, Fabrice, O’Haver, Thomas C., Hellinghausen, Garrett, Armstrong, Daniel W.

“…Separation techniques have developed rapidly where sub-second chromatography, ultrahigh resolution recycling chromatography, and two-dimensional liquid…”
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Wavelet transforms in separation science for denoising and peak overlap detection by Wahab, Muhammad Farooq, O'Haver, Thomas C.

“…Wavelet transform is a versatile time‐frequency analysis technique, which allows localization of useful signals in time or space and separates them from noise…”
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Separations at the Speed of Sensors by Patel, Darshan C, Wahab, M. Farooq, O’Haver, Thomas C, Armstrong, Daniel W

“…The virtue of chemical sensors is speed and analyte specificity. The response time to generate an analytical signal typically varies from ∼1 to 20 s, and they…”
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Discrete Fourier transform techniques for noise reduction and digital enhancement of analytical signals by Wahab, M. Farooq, Gritti, Fabrice, O'Haver, Thomas C.

“…Comprehensive details of problem solving approaches with discrete Fourier transform (DFT) are presented with reference to current separation science…”
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Peak deconvolution with significant noise suppression and stability using a facile numerical approach in Fourier space by Wahab, M. Farooq, O'Haver, Thomas C.

“…The deconvolution problem for resolution and feature enhancement of analytical signals is known to be a noise-enhancing procedure to the extent that some…”
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Extension of analytical calibration curves in atomic absorption spectrometry by Harnly, James M, O'Haver, Thomas C

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Identification and Quantitation of Oxygenates in Gasoline Ampules Using Fourier Transform Near-Infrared and Fourier Transform Raman Spectroscopy by Choquette, Steven J, Chesler, Stephen N, Duewer, David L, Wang, Shuwen, O'Haver, Thomas C

“…Oxygenated fuels are gasolines blended with alcohol or ether additives. The U.S. National Institute of Standards and Technology (NIST) provides eight…”
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Chemistry for Pre-Service Middle School Teachers by O'Haver, Thomas C

“…Chemistry 121, a first-year undergraduate introductory chemistry course for non-science majors has been redesigned under the sponsorship of the Maryland…”
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Effect of the source/absorber width ratio on the signal-to-noise ratio of dispersive absorption spectrometry by O'Haver, Thomas C

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Derivative spectrophotometry of petroporphyrins by Freeman, David H, O'Haver, Thomas C

“…Derivative spectroscopy is found to be ideally suited to porphyrin geochemical analysis through numerical differentiation of digitized data provided by diode…”
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Characterization of a bovine serum reference material for major, minor, and trace elements by Veillon, Claude, Lewis, Susan A, Patterson, Kristine Y, Wolf, Wayne R, Harnly, James M, Versieck, Jacques, Vanballenberghe, Lidia, Cornelis, Rita, O'Haver, Thomas C

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Precision of wavelength-modulated atomic absorption measurements of high calcium concentrations in a nitrous oxide-acetylene flame by Messman, Jerry D, O'Haver, Thomas C, Epstein, Michael S

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Continuum source atomic absorption spectrometry with high resolution and wavelength modulation by Zander, Andrew T, O'Haver, Thomas C, Keliher, Peter N

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Analysis of blood serum for essential metals by simultaneous multielement atomic absorption spectrometry with flame atomization by Lewis, Susan A, O'Haver, Thomas C, Harnly, James M

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Evaluation of a Direct-Current Argon Plasma as a Primary Pseudocontinuum Radiation Source for Wavelength-Modulated Atomic Absorption Spectrometry by Messman, Jerry D, O'Haver, Thomas C

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CHEMCONF: An Experiment in International Online Conferencing by O'Haver, Thomas C

“…Describes the organization, operation, and evaluation of an experimental online electronic conference for 450 chemistry educators from 33 countries that was…”
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A modular chemical measurements laboratory for juniors and seniors by Moore, John H, O'Haver, Thomas C

“…The authors describe a course designed to teach the principles of making high quality chemical measurements by promoting the student to explore in depth a few…”
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A modular Chemical Measurements Laboratory for Juniors and Seniors by Moore, John H., Jr, O'Haver, Thomas C

“…Discusses offering of a modular course designed to acquaint the student with methods of observing and quantitatively measuring the properties and reactions of…”
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