Process and apparatus for sulfur analysis

Details Process and apparatus for sulfur analysis Process and apparatus for sulfur analysis

1978-04-12

1979-10-30

Turk, Arnold

Chemistry: physical processes

Physical processes

Crystallization

55 71, 55 73, 55 74, 422 80, G01N 3112

Patent

active

041727053

ABSTRACT:
Process and apparatus for micro-coulometric determination of sulfur in hydrocarbon samples in which interference of chlorine and oxides of nitrogen is minimized. The process comprises the steps of oxidizing the sample, scrubbing the oxidized sample with a tin-containing agent and coulometrically titrating the sample thereafter.

REFERENCES:
patent: 3598531 (1971-08-01), Bremanis
patent: 4081247 (1978-03-01), Neti et al.
Burke, "Rapid Combustion Method for the Determination of Sulfur in Nickel-, Iron-, and Copper-Base Alloys;" Anal. Chem.; vol. 39; No. 14; Dec. 1967, pp. 1727-1731.
Bandi et al.; Determination of Trace Amounts of Sulfur in Iron & Steel by Combustion-Coulometry; Anal. Chem.; vol. 38; No. 11; Oct. 1966; pp. 1485-1489.
Larsen et al.; Separation and Determination of Microgram Amounts of Sulfur; Anal. Chem.; vol. 31; No. 9; Sep. 1959; pp. 1596-1597.
Burke et al.; Combustion-Spectrophotometric Method for Determination of Trace Quantities of Sulfur in Metals; Anal. Chem.; vol. 34; No. 13; Dec. 1962; pp. 1747-1751.
Brochure SM-716-094750 describing Dohrmann DC 60 carbon monitor.

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