Chemistry: electrical and wave energy – Processes and products – Processes of treating materials by wave energy
Patent
1992-06-10
1994-08-30
Tung, T.
Chemistry: electrical and wave energy
Processes and products
Processes of treating materials by wave energy
204415, 204416, 204418, G01N 27333
Patent
active
053424905
ABSTRACT:
A macrocyclic compound coated electrode may be used advantageously to detect and measure the concentration of sulfide in aqueous samples. The electrode is substantially unaffected by other interfering species which may be present in the aqueous sample. Use of the electrode provides for fast, accurate, on-line monitoring of sulfide concentration in aqueous effluents from, inter alia, pulp and paper plants, and oil and gas refineries.
REFERENCES:
patent: 3915831 (1975-10-01), Riseman et al.
patent: 4379041 (1983-04-01), Petranek et al.
patent: 4957615 (1990-09-01), Ushizawa et al.
patent: 5132001 (1992-07-01), Bakos et al.
Janda Pavel
Lever Alfred B. P.
Tse Yu-Hong
Lever Alfred B. P.
Tung T.
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