Fibre-optic fluorescing sensor for ammon
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Otto S. Wolfbeis; Hermann E. Posch
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Article
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1986
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Elsevier Science
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English
⚖ 504 KB
The fluorescing sensor is based on the change in fluorescence intensity of a buffered pH indicator solution entrapped in silicone rubber. Exposure to ammonia increases the pH of the trapped solution; this increases the fluorescence intensity, which is monitored via an optical fibre bundle. Ammonium