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.

Date of Patent:
Sep. 17, 2019

Filed:

Jun. 09, 2016
Applicant:

Alstom Technology Ltd., Baden, CH;

Inventor:

Rikard Håkansson, Växjö, SE;

Assignee:

Other;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 27/06 (2006.01); B01D 53/34 (2006.01); B01D 53/50 (2006.01); G01N 27/48 (2006.01);
U.S. Cl.
CPC ...
G01N 27/06 (2013.01); B01D 53/346 (2013.01); B01D 53/504 (2013.01); G01N 27/48 (2013.01); B01D 2252/205 (2013.01); B01D 2257/302 (2013.01);
Abstract

A method for measuring a concentration of dibasic acid in a cleaning process substance is provided. The method includes sending a plurality of voltage pulses through the cleaning process substance by each a first electrode and a second electrode. Each the first electrode and the second electrode is in contact with the cleaning process substance containing a concentration of dibasic acid. The method also includes receiving current responses generated by the plurality of voltage pulses, and analyzing the current responses using a multivariate data analysis for calculation of the concentration of dibasic acid in the cleaning process substance. A dibasic acid sensor, a control unit, and an analyzing unit for performing the method, are also provided.


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