The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2023
Filed:
Apr. 17, 2018
Applicant:
Opsis Ab, Furulund, SE;
Inventors:
Svante Wallin, Bjärred, SE;
Leif Uneus, Höllviken, SE;
Assignee:
Opsis AB, Furulund, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/75 (2006.01); G01N 21/33 (2006.01); G01N 33/00 (2006.01); G01N 21/01 (2006.01);
U.S. Cl.
CPC ...
G01N 21/33 (2013.01); G01N 21/75 (2013.01); G01N 33/0013 (2013.01); G01N 33/0044 (2013.01); G01N 2021/0193 (2013.01);
Abstract
The present invention relates to a method () for determining a content of HS in a process gas comprising HS. The method () comprises extracting () a sample of the process gas, performing oxidation () of at least a major portion of HS of the sample, whereby oxidation products comprising elemental sulfur are formed, analysing () the oxidized sample by optical absorption spectroscopy at wavelengths above 310 nm, and determining () the content of HS in the process gas based on the analysing. The invention further relates to a system () for determining a content of HS in a process gas comprising HS, and use of system ().