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:
Jul. 04, 2023
Filed:
Oct. 30, 2019
Applicants:
National University Corporation Kobe University, Hyogo, JP;
Shimadzu Corporation, Kyoto, JP;
Inventors:
Assignees:
NATIONAL UNIVERSITY CORPORATION KOBE UNIVERSITY, Hyogo, JP;
SHIMADZU CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J 49/00 (2006.01); H01J 49/04 (2006.01); G01N 30/72 (2006.01); H01J 49/16 (2006.01); G01N 30/02 (2006.01);
U.S. Cl.
CPC ...
H01J 49/0445 (2013.01); G01N 30/7266 (2013.01); H01J 49/0031 (2013.01); H01J 49/0036 (2013.01); H01J 49/165 (2013.01); G01N 2030/027 (2013.01);
Abstract
An analysis method includes: performing liquid chromatography using a mobile phase including an adsorption prevention agent for preventing adsorption of a sample including a compound having a phosphate group to metal; and performing mass spectrometry on an eluate of the liquid chromatography. The adsorption prevention agent includes an oxalic acid or a salt of the oxalic acid.