Air pollution studies: The ring oven technique

West, Philip W.; Sachdev, Sham L.

doi:10.1021/ed046p96

Cited by 3 publications

(1 citation statement)

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“…The ring oven is a simple and inexpensive way for determining constituents in particulate matter (534). For the determination of Pb, either chromate (167) or molybdate (241) can be used.…”

Section: Suspended Particulate Mattermentioning

confidence: 99%

Air pollution

Mueller¹,

Kothny²,

Pierce³

et al. 1971

Anal. Chem.

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paper was prepared to provide an overview of analytical activities concerning air pollution in the years of 1969 and 1970. It avoids overlapping the previous analogous review [Altshuller, A. P., Anal. Chem., 41, 1R, (1969)]. As a practical matter, most of the papers included were dated in the period June 1968 to August 1970. In most cases we had to rely on abstracts. Papers readily available to us but published after August 1970 were also included.A review such as this, is intended primarily to collate and to provide perspective on what has been published. We have found previous reviews useful not only at the time of publication but also years afterward. A review largely restricted to the information published cannot be relied upon to include the more recent advances in a rapidly progressing field.

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“…The ring oven is a simple and inexpensive way for determining constituents in particulate matter (534). For the determination of Pb, either chromate (167) or molybdate (241) can be used.…”

Section: Suspended Particulate Mattermentioning

confidence: 99%

Air pollution

Mueller¹,

Kothny²,

Pierce³

et al. 1971

Anal. Chem.

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Chemical composition of aerosol particles greater than 1-μm diameter in the vicinity of Tasmania

Cattell¹,

Scott²,

Cros³

1977

J. Geophys. Res.

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Ring oven techniques have been used to analyze aerosol samples containing particles larger than l-•tm diameter which were collected with a specially designed impaction collector from aircraft at various altitudes above Tasmania. The collection and analyzing techniques allowed high temporal and spatial resolution, and sulfate, magnesium, calcium, copper, aluminum, and phosphate were found in the clean, background conditions. Sulfate is a major constituent of the aerosol below l-to 2-km height, but calcium concentrations are higher than sulfate concentrations above the inversion. Both sulfate and magnesium appear to originate from the open sea. The aluminum is probably of continental origin and is a component of an omnipresent background concentration, whereas the calcium and copper concentrations at the lower altitudes are of marine origin. The Mg/SO4 and Ca/SO4 ratios indicate that magnesium and calcium arising from the ocean experience little enrichment. However, Cu/SO4 ratios are consistent with an enrichment of copper of 104 . West, P. W., The identification and determination of airborne particulates by means of the ring oven technique, J. Air Pollut. Contr. Ass., 16, 601-603, 1966. West, P. W., and S. L. Sachdev, Air pollution studies: The ring oven technique, J. Chem. Educ., 46, 96-98, 1969. Winkler, P., Chemical analysis of Aitken particles (<0.2 radius) over the Atlantic Ocean, Geophys. Res. Lett., 2, 45-48, 1975. Woodcock, A. H., Salt nuclei in marine air as a function of altitude and wind force, J. Meteorol., 10, 362-371, 1953. Zoller, W. H., E. S. Gladney, and R. A. Duce, Atmospheri• concentrations and sources of trace metals at

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Student Measurement of Fallout Radiation

Krieger

1970

School Sci & Mathematics

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Air pollution studies: The ring oven technique

Abstract: Describes the use of the ring oven technique in air pollution studies.

Cited by 3 publications

References 1 publication

Air pollution

Air pollution

Chemical composition of aerosol particles greater than 1-μm diameter in the vicinity of Tasmania

Student Measurement of Fallout Radiation

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