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Title: ICP-AES (inductively coupled plasma-atomic emission spectroscopy) multielement analysis of industrial hygiene air samples

Abstract

Inductively coupled plasma/atomic emission spectroscopy (AES) as a method for analyzing industrial hygiene air samples was evaluated. Low-temperature oxygen plasma ashing and acid-digestion procedures using nitric-acid or nitric-acid/perchloric-acid mixtures with samples containing 30 elements were investigated to determine the optimum technique for dissolving samples. Three different filters (cellulose ester, polyvinyl-chloride copolymer, and polycarbonate) were evaluated for trace-metal contamination. Detection limits were determined using adjustable cross flow, fixed cross flow, or high solids nebulizers. Field samples were analyzed by AES and atomic absorption spectroscopy (AAS). Low-temperature oxygen plasma ashing was faster than either acid digestion procedure. Polycarbonate filters had the lowest concentrations of contaminants. Cellulose ester filters were the easiest to ash or digest. Detection limits were lower for adjustable and fixed cross flow than for high solids nebulizers. Correlation between AES and AAS results of the field samples was generally good. Overall precision of the method was approximately 3% relative standard deviations. The author concludes that AES is a viable method for analyzing industrial hygiene air samples. The optimum procedure involves collection of samples on cellulose ester or polycarbonate filters, digestion by low-temperature oxygen plasma ashing, and fixed cross flow nebulization.

Authors:
Publication Date:
Research Org.:
National Inst. for Occupational Safety and Health, Cincinnati, OH (USA). Div. of Physical Sciences and Engineering
OSTI Identifier:
5223734
Report Number(s):
PB-85-221414/XAB
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; AIR POLLUTION MONITORING; EMISSION SPECTROSCOPY; GAS ANALYSIS; ABSORPTION SPECTROSCOPY; AIR FILTERS; CHEMICAL ANALYSIS; INDOOR AIR POLLUTION; METALS; STANDARDS; AIR POLLUTION; ELEMENTS; EQUIPMENT; FILTERS; MONITORING; POLLUTION; POLLUTION CONTROL EQUIPMENT; SPECTROSCOPY; 500200* - Environment, Atmospheric- Chemicals Monitoring & Transport- (-1989)

Citation Formats

Hull, R D. ICP-AES (inductively coupled plasma-atomic emission spectroscopy) multielement analysis of industrial hygiene air samples. United States: N. p., 1985. Web.
Hull, R D. ICP-AES (inductively coupled plasma-atomic emission spectroscopy) multielement analysis of industrial hygiene air samples. United States.
Hull, R D. Wed . "ICP-AES (inductively coupled plasma-atomic emission spectroscopy) multielement analysis of industrial hygiene air samples". United States.
@article{osti_5223734,
title = {ICP-AES (inductively coupled plasma-atomic emission spectroscopy) multielement analysis of industrial hygiene air samples},
author = {Hull, R D},
abstractNote = {Inductively coupled plasma/atomic emission spectroscopy (AES) as a method for analyzing industrial hygiene air samples was evaluated. Low-temperature oxygen plasma ashing and acid-digestion procedures using nitric-acid or nitric-acid/perchloric-acid mixtures with samples containing 30 elements were investigated to determine the optimum technique for dissolving samples. Three different filters (cellulose ester, polyvinyl-chloride copolymer, and polycarbonate) were evaluated for trace-metal contamination. Detection limits were determined using adjustable cross flow, fixed cross flow, or high solids nebulizers. Field samples were analyzed by AES and atomic absorption spectroscopy (AAS). Low-temperature oxygen plasma ashing was faster than either acid digestion procedure. Polycarbonate filters had the lowest concentrations of contaminants. Cellulose ester filters were the easiest to ash or digest. Detection limits were lower for adjustable and fixed cross flow than for high solids nebulizers. Correlation between AES and AAS results of the field samples was generally good. Overall precision of the method was approximately 3% relative standard deviations. The author concludes that AES is a viable method for analyzing industrial hygiene air samples. The optimum procedure involves collection of samples on cellulose ester or polycarbonate filters, digestion by low-temperature oxygen plasma ashing, and fixed cross flow nebulization.},
doi = {},
url = {https://www.osti.gov/biblio/5223734}, journal = {},
number = ,
volume = ,
place = {United States},
year = {1985},
month = {1}
}

Technical Report:
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