Colorimetric Determination of Sulfur Dio
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MΓ‘rcio Raimundo Milani; JosΓ© Anchieta Gomes Neto; Arnaldo Alves Cardoso
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Article
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1999
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Elsevier Science
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English
β 113 KB
The measurement of sulfur dioxide in air at the parts-per-billion level is described. The experimental arrangement consists of two optical fibers placed on opposite sides of a liquid droplet of malachite green solution. After light has been passed through the droplet, the transmitted light is measur