Patent · US Expired

Process and apparatus for sulfur analysis

US4172705A · kind A · utility

8Cited by
2References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 12, 1978
Grant dateOct 30, 1979
Priority date
Expiry dateApr 12, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/18
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.