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AWWA JAW6138

M00003369

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AWWA JAW6138 Journal AWWA - Analytical Note: Catalytic Effects of Sulfur and Other Compounds in the Azide-Iodine Test

Journal Article by American Water Works Association, 02/01/1981

Tunvinen, Olli H.;Lapple, William J.;Mair, David M.

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In the azide-iodine reaction employed for corrosivity testing, nitrogen gas evolution is catalyzed by reduced compounds of sulfur. The test is not specific, since many other compounds have similar catalytic effects. Thus test results should be interpreted with caution because of interference from a variety of materials. Includes 3 references, tables.