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:
Dec. 20, 1977
Filed:
Jul. 16, 1976
Applicant:
Inventors:
Wolf-Jurgen Becker, Leverkusen, DT;
Alois Ruse, Oberursel, DT;
Assignees:
Bayer Aktiengesellschaft, Leverkusen, DT;
Hartmann & Braun Aktiengesellschaft, Frankfurt, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
2323 / ; 2323 / ; 2325 / ; 2325 / ;
Abstract
In a method for determining the inorganic carbon content of aqueous liquids, the liquid sample together with a carbon dioxide free carrier gas is injected vertically from top to bottom in to a heated reaction chamber. The reaction chamber is filled with liquid phosphoric acid. The carbon dioxide generated in the reaction of the sample with the phosphoric acid is fed to a CO.sub.2 analyser. The reaction chamber is preferably heated to a temperature of approximately 140.degree. C.