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Fast Gas Chromatography for Industrial Hygiene Analysis and Monitoring.

Authors
Mouradian-RF
Source
School of Public Health, University of Michigan, Ann Arbor, Michigan 1990 Mar:256 pages
Link
NIOSHTIC No.
00197947
Abstract
Fast gas chromatography systems were developed for use in industrial hygiene and environmental applications. The two systems featured a gas cooled and resistively heated cold trap inlet that produced injection bands with widths of 15 to 25 microseconds. Separation was achieved with 2 to 5 meter lengths of 0.25 millimeter internal diameter capillary column. Flame ionization detectors were used with the detector signal directed to a custom built, fast responding electrometer and a personal computer based data system. One of the systems was designed for the analysis of organic vapors and the other for the analysis of liquids. This study demonstrated that simple liquid mixtures of aromatics and aliphatics could often be separated in 10 seconds or less. During replicate analyses, relative standard deviations for peak areas were 1 to 10%. Relative standard deviations for retention time were less than 1%. Dilute solutions, with concentrations below 50 micrograms/milliliter could not be analyzed due to the poor signal to noise ratios associated with fast responding electrometers.
Keywords
NIOSH-Grant; Grants-other; Chemical-analysis; Analytical-chemistry; Analytical-methods; Air-quality-monitoring; Chromatographic-analysis;
Contact
Environmental & Indust Health School of Public Health II 1420 Washington Heights Ann Arbor, MI 48109-2029
Publication Date
19900302
Document Type
Final Grant Report;
Funding Amount
211263.00
Funding Type
Grant;
Fiscal Year
1990
NTIS Accession No.
PB91-188631
NTIS Price
A13
Identifying No.
Grant-Number-R01-OH-02303
NIOSH Division
OEP
Priority Area
Other Occupational Concerns; Grants-other;
Source Name
School of Public Health, University of Michigan, Ann Arbor, Michigan
State
MI;
Performing Organization
University of Michigan at Ann Arbor, Ann Arbor, Michigan
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