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:
May. 30, 2017

Filed:

Nov. 20, 2014
Applicant:

King Fahd University of Petroleum and Minerals, Dhahran, SA;

Inventors:

Basheer Chanbasha, Dhahran, SA;

Hakimu Nsubuga, Dhahran, SA;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/96 (2006.01); G01N 27/447 (2006.01); G01N 33/12 (2006.01); B01D 61/52 (2006.01); B01D 15/36 (2006.01);
U.S. Cl.
CPC ...
G01N 27/447 (2013.01); B01D 15/36 (2013.01); B01D 61/52 (2013.01); G01N 33/12 (2013.01); G01N 30/96 (2013.01);
Abstract

A method of detecting and quantifying perchlorate contamination in samples, especially samples with complex background matrices such as food and produce with trace levels of perchlorate. A simple microwave assisted-electromembrane extraction provides simultaneous reduced extraction time, sample clean-up, high recovery and enrichment of perchlorate ions for detection and quantification by ion chromatography. Three parallel EME experiments connected to a single DC power supply improves the precision of the analyses. It also couples well with the multiple microwave digested samples and this reduces the sample preparation time and is hence suitable for routine environmental applications.


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