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:
Jun. 17, 2003
Filed:
Oct. 09, 2001
Applicant:
Inventors:
Christoph Bernstein, Lübeck, DE;
Andreas Nauber, Lübeck, DE;
Assignee:
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 2/726 ;
U.S. Cl.
CPC ...
G01N 2/726 ;
Abstract
An electrochemical measuring cell for detecting hydrocyanic acid is improved in such a manner that a stable measurement signal is provided after a short time. The measuring cell includes a measuring electrode ( ) of sintered gold and a counter electrode ( ). A measuring cell housing ( ) accommodates the measuring electrode ( ) and the counter electrode ( ). An electrolyte is in the measuring cell housing ( ) and includes sulphuric acid with an additive of silver sulphate. A diffusion membrane ( ) is disposed between the measuring electrode ( ) and the substance to be detected.