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:
Nov. 09, 2021

Filed:

Jun. 10, 2019
Applicant:

Korea Resources Corporation, Wonju-si, KR;

Inventors:

Seung Ho Lee, Ansan-si, KR;

Bong Keun Jung, Wonju-si, KR;

Jeon Woong An, Wonju-si, KR;

Youn Kyu Yi, Wonju-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 30/86 (2006.01); B01J 20/281 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
G01N 30/8665 (2013.01); G01N 30/482 (2013.01); G01N 30/8679 (2013.01); G01N 2030/025 (2013.01);
Abstract

Provided is a method for measuring the concentration of aliphatic hydroxy oxime and neodecanoic acid using gas chromatography. The method includes the steps of: (a) removing, from a reference material containing an extractant and a diluent, the diluent using a silica column; (b) generating a calibration curve by calculating each peak area of aliphatic hydroxy oxime and neodecanoic acid, which are extractants, by peak integration of gas chromatograms; and (c) calculating the peak area of the organic solvent used in DSX process through the steps (a) and (b) and comparing the peak area with the calibration curve of the step (b) to measure the concentration of aliphatic hydroxy oxime and neodecanoic acid.


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Lee, Seung. (2021). Method for measuring the concentration of aliphatic hydroxy oxime and neodecanoic acid by gas chromatography (U.S. Patent No. 11169127). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11169127

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