Device for concentrating trace components in a liquid
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United States of America Patent
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Nov 10, 1998
Grant Date -
N/A
app pub date -
Feb 12, 1996
filing date -
Aug 14, 1993
priority date (Note) -
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Abstract
A probe device for use in measuring trace quantities of a component in a liquid environment comprises: (i) a membrane which is permeable to the component; and (ii) a layer of a material capable of binding the component and arranged to receive material which has permeated through the membrane from a face thereof juxtaposed to the fluid environment. The membrane may, for example, be a polyacrylamide gel and the material an ion exchange resin. The device may be used, for example, for determining quantities of trace metals in an aqueous environment.
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