Patent · US Expired

Chromatographic analysis of gaseous samples containing reactive sulfur

US4221569A · kind A · utility

3Cited by
3References
4Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 1, 1979
Grant dateSep 9, 1980
Priority date
Expiry dateMar 1, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T436/186
  • WIPO fieldMeasurement
  • WIPO sectorInstruments

Abstract

A carrier gas for chromatographic analysis of gaseous samples containing sulfur bearing molecules utilizes a sulfur-containing nucleophile mixed with the inert component of the carrier gas to deactivate sulfur reactive and adsorbtive sites in the analysis system and facilitates accurate analysis of the sample composition.

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