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Peer reviewedErickson, Mitchell D.; And Others – Environmental Science and Technology, 1978
The procedure and sampler described permits detection of less than 50pg of one polychlorinated naphthalene (PCN) isomer. The method uses gas chromatography-mass spectrometry. The PCNs are collected on a glass fiber filter and two polyurethane foam plugs and extracted with toluene at 25 degrees Celsius. (BB)
Descriptors: Air Pollution, Chemical Analysis, Chromatography, Instrumentation
Peer reviewedStedman, Donald H.; Meyers, Philip A. – BioScience, 1974
Discusses advances made in chemical analysis instrumentation used in environmental monitoring. This first of two articles is concerned with analytical instrumentation in which detection and dispersion depend ultimately on the properties of gaseous molecules. (JR)
Descriptors: Air Pollution, Chemical Analysis, Chemistry, Chromatography
Peer reviewedFox, Donald L. – Analytical Chemistry, 1989
Materials related to air pollution are reviewed for the period January 1987, to October 1988. The topics are pollution monitoring, air pollution, and environmental chemistry. The organization consists of two major analytical divisions: (1) gaseous methods; and (2) aerosol and particulate methods. (MVL)
Descriptors: Air Pollution, Chemical Analysis, Chemical Reactions, Chemistry
