Index Catalog // ScholarsArchive@OSU

A reaction rate determination of aluminum with a microcomputer-based spectrofluorometer

Creator:: Campi, Gregory Louis
Abstract:: The development and optimization of a fluorometric reaction rate method for the determination of aluminum is described. Modifications to existing instrumentation permit automatic monitoring and reporting of measurement conditions. Automatic correction of measured analytical signals is provided if monitored parameters deviate from optimum values. A computer controlled standard addition procedure...
Resource Type:: Masters Thesis
Full Text:: BASIC software plus a CRT terminal and an ASCII serial alphanumeric printer. Separate computer

Design and development of an intensified diode array system and its application to new fluorometric reaction rate methods of analysis

Creator:: Ryan, Mary Andrieu
Abstract:: Improvements in instrumentation for fluorometric kinetic measurements and the application of a new intensified diode array (IDA) rapid scanning system to low level transient fluorescence measurements are reported. This instrumentation is applied to a new fluorometric kinetic method for thiamine (TM). Modifications to the existing fluorometric reation rate instrument include...
Resource Type:: Dissertation
Full Text:: computer, and software. The IDA system can obtain spectra from 200-800 nm in as little as 5 ms, or 15 ms

A microcomputer automated anodic stripping voltammetric analyzer for trace heavy metal speciation

Creator:: Dewald, Lamar Robert
Abstract:: An automated instrument based on a single-board microcomputer was developed for use in voltammetric analyses. Operator input of numerous experiment parameters allows any type of voltammetric analysis to be implemented and multiple scans to be run unattended. A three operational amplifier potentiostat is used to control the cell voltage and...
Resource Type:: Dissertation
Full Text:: Devices Computer System Overview Microcomputer 49 55 58 71 77 77 78 Computer Software 81

Microcomputer controlled chemical and radiochemical separations and analysis

Creator:: Bennett, Casey Wayne
Abstract:: An automated radiochemical flow analysis (ARFA) system was developed which integrates chemical and radiochemical techniques into one system through the use of a microcomputer. The operator, through the microcomputer, controls valves and pumps to transfer sample and reagent solutions to counting loops, ion exchange columns and holdup reservoirs. A Ge(Li)...
Resource Type:: Dissertation
Full Text:: Microcomputer 52 Interfaces 63 AIM Computer Software 69 Introduction 69 General Considerations 70 User

Selective detection for gas chromatography by ultraviolet spectrometry

Creator:: Van Engelen, Debra L.
Abstract:: Spectrometric detection systems for gas chromatography (GC) based on gas phase ultraviolet absorbance and fluorescence measurements have been developed and evaluated in this research. Polynuclear aromatic compounds (PNAs) are selectively detected by these systems. Limits of detection for PNAs range from 4 ng to 90 ng for absorbance determinations, and...
Resource Type:: Dissertation
Full Text:: Hardware and Interfacing Electronics 72 F. Computer Control Software 82 1. DEC LSI-11 Programs 82 a

Design, construction and application of an instrument for simultaneous measurement of molecular fluorescence, absorbance and chemiluminescence

Creator:: Yappert, Marta Cecilia
Abstract:: An instrument was constructed to measure molecular fluorescence (FL) or chemiluminescence (CL) and absorbance (ABS) simultaneously. The lower, middle, and upper portions of the test solution are probed to obtain ABS, FL, and CL data. Optical fibers are used extensively. The ABS and FL or CL spectra are acquired in...
Resource Type:: Dissertation
Full Text:: scheme. Software was developed to utilize the measured ABS in appropriate equations to automatically

Design and application of a microcomputer automated multielement flame atomic fluorescence instrument

Creator:: Neyzari, Shahrokh Ghaffari
Abstract:: An automated multielement flame atomic fluorescence (AF) spectrometer based on microcomputer control was constructed to determine four elements simultaneously. The instrument employs a multiple exit slit monochromator where the light from various exit slits is directed to a single detector with a mirrored funnel. Each element is excited to fluoresce...
Resource Type:: Dissertation
Full Text:: selection 67 PC board arrangement in Vector card cage 67 Operation and Software for Computerized TMMS AF

Application of flow injection analysis to enzymatic fluorescence kinetic methods

Creator:: Elliott, Colin Bruce
Abstract:: Studies of the use of NADH as the monitored fluorophore for enzymatic fluorescence kinetic methods are discussed. Interference studies for the detection of NADH and the adaptation and optimization of fluorescence kinetic measurements to four serum assays are also described. A microcomputer-controlled flow injection analysis (FIA) system was designed and...
Resource Type:: Dissertation
Full Text:: to 0.09 mU/mL (in-cell). An FIA system was constructed to provide computer-controlled fluorometric

Coherent anti-Stokes Raman spectroscopy of gases

Creator:: Guthals, Dennis Marc
Abstract:: The development and applications of a 0.2 cm⁻¹ resolution Nd-YAG laser powered coherent anti-Stokes Raman spectroscopy, CARS, spectrometer for gas phase studies is chronicled in this thesis. Applications including CARS lineshape analysis, resonant CARS, and CARS of transient species and excited state molecules is reported. The intensity of the signal...
Resource Type:: Dissertation
Full Text:: sections and Raman active vibration-rotation transition frequencies. A computer program is reported for

Development of trace enrichment techniques for trace metals in natural waters using high pressure liquid chromatography

Creator:: Ambrose, Arthur Sigurd
Abstract:: An on-line trace enrichment (TE) system, based on high pressure liquid chromatogroaphy (HPLC) and flame atomic absorption (AA), has been developed for trace metal analysis. The sample is pumped through a column filled with a cation exchange resin which traps metal ions. The ions are subsequently stripped from the column...
Resource Type:: Dissertation
Full Text:: 45 Computer Software Overview 46 Operational Description 48 Technical Description 58 EXPERIMENTAL

ScholarsArchive@OSU

A reaction rate determination of aluminum with a microcomputer-based spectrofluorometer

Design and development of an intensified diode array system and its application to new fluorometric reaction rate methods of analysis

A microcomputer automated anodic stripping voltammetric analyzer for trace heavy metal speciation

Microcomputer controlled chemical and radiochemical separations and analysis

Selective detection for gas chromatography by ultraviolet spectrometry

Design, construction and application of an instrument for simultaneous measurement of molecular fluorescence, absorbance and chemiluminescence

Design and application of a microcomputer automated multielement flame atomic fluorescence instrument

Application of flow injection analysis to enzymatic fluorescence kinetic methods

Coherent anti-Stokes Raman spectroscopy of gases

Development of trace enrichment techniques for trace metals in natural waters using high pressure liquid chromatography

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