WWRC 95-20
Detecting Selenium in Groundwater
Abstract
Introduction
Although selenium (Se) is an essential
element, excessive selenium
is toxic to animals and humans.
The mandated limit in
drinking water is 0.01 mg/l. University
of Wyoming researchers
have discovered that copper oxide
selectively absorbs dissolved
selenium, and have used this
property to devise a new quantitative
test for SeO32- and SeO42-
in alkaline groundwater.
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