Ammonia detection device and related methods
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United States of America Patent
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Issued Date -
Feb 21, 2008
app pub date -
Jan 25, 2007
filing date -
Jan 25, 2006
priority date (Note) -
Abandoned
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Abstract
A reusable device for continuously monitoring gaseous ammonia concentration in a surrounding environment comprising a plurality of layers, including an active layer in which a dye (e.g., an indicator dye useful for measurement of pH) is immobilized to a membrane (e.g., polyamide membrane), and a hydrophobic filter layer capable of permitting contact between the active membrane and dissolved gaseous ammonia.
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