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Selective optical sensing of silver ions in drinking water
M Lerchi1, F Orsini, Z Cimerman
1Department of Organic Chemistry, Swiss Federal Institute of Technology (ETH), Zurich, Switzerland.
Analytical Chemistry
|September 15, 1996
Abstract:
A new thiocarbamate derivative is used in polymeric sensing films together with a lipophilic chromoionophore for determining Ag+ at submicromolar levels. The membrane composition has been optimized with a view to measuring concentrations of Ag+ added as a bacteriostatic agent to drinking water. The results compare well with those obtained by ICPMS.