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A fluorometric method for ammonia analysis in ambient air.

Authors
Agarwal-DR; Chandra-MJ; Reynolds-SJ; Groves-WA
Source
American Industrial Hygiene Conference and Exposition, June 1-6, 2002, San Diego, California. Fairfax, VA: American Industrial Hygiene Association, 2002 Jun; :505
NIOSHTIC No.
20024360
Abstract
Although existing sampling and analytical methods for ammonia may be adequate for evaluating exposure relative to the OSHA-PEL (50 ppm TWA), many projects involving the short-term measurement of ppb concentrations require more sensitive methods. This project focuses on the modification of a fluorometric method previously developed for analysis of ammonium in marine and freshwater samples to enable measurement of low concentrations of ammonia in ambient air. The modified approach combines the sorbent-tube collection techniques of current methods for ammonia sampling with analysis using a digital filter fluorometer.
Keywords
Ammonium-compounds; Sampling; Sampling-methods; Exposure-levels; Air-samples; Air-sampling; Personal-protective-equipment; Analytical-methods; Analytical-chemistry
CAS No.
7664-41-7
Publication Date
20020601
Document Type
Abstract
Funding Amount
108000
Funding Type
Grant
Fiscal Year
2002
NTIS Accession No.
NTIS Price
Identifying No.
Grant-Number-K01-OH-000177
Source Name
American Industrial Hygiene Conference and Exposition, June 1-6, 2002, San Diego, California
State
CA; PA
Performing Organization
Pennsylvania State University, University Park, Pennsylvania
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