Electrochemical detector for lead alkyls

Details Electrochemical detector for lead alkyls Electrochemical detector for lead alkyls

1974-08-29

1976-06-01

Tung, T.

Chemistry: electrical and wave energy

Processes and products

Vacuum arc discharge coating

204 1T, G01N 2746

Patent

active

039606902

ABSTRACT:
A method and apparatus for measuring trace amounts of lead alkyls in gasoline wherein a small sample of the gasoline is injected into a vaporizer, with a carrier gas transporting the sample through the vaporizer to a filter that separates the interfering olefins and aromatic components from the lead alkyls in the sample. The discharge from the filter is supplied to an electrochemical cell of a type known as a galvanic sensor whose output signal is integrated or otherwise utilized to obtain a measurement of the quantity of lead alkyls in the sample.

REFERENCES:
patent: 3257609 (1966-06-01), Sanford et al.
patent: 3355367 (1967-11-01), Marsh
patent: 3519547 (1970-07-01), Paulik et al.
patent: 3881997 (1975-05-01), Johnson et al.

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