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:
Mar. 17, 1992
Filed:
Dec. 05, 1989
Applicant:
Inventor:
Derek J Fray, Cambridge, GB;
Assignee:
Mineral Industry Research Organisation, London, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ;
U.S. Cl.
CPC ...
2041531 ; 20415315 ; 204422 ; 204423 ; 204421 ; 204406 ;
Abstract
The concentration of an element in a molten metallurgical phase (3) is measured by applying an electrical potential across two electrodes (1, 2) separated by a solid electrolyte (7) containing cations of the element to be measured immersed in the melt, and measuring the current flowing between them. The solid electrolyte is preferably of .beta.-alumina or zirconium silicate or phosphate.