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Chapter 5,462

Filter sampling method for atmospheric sulfur dioxide at background concentrations

Axelrod, H.D.; Hansen, S.G.

Analytical Chemistry 47(14): 2460-2462

1975


ISSN/ISBN: 0003-2700
PMID: 1190487
Accession: 005461944

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Whatman No. 17 filter paper impregnated with tetrachloromercural(II) solution can be used to sample for SO2 at levels as low as 0.05 ppbv at sampling flow rates as high as 6.5 l/min for as long as several hours. The analysis is accomplished by a modification of the West-Gaeke wet chemical procedure.

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