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:
Mar. 27, 2012
Filed:
Oct. 31, 2006
Haruhiko Miyagawa, Kyoto, JP;
Haruhiko Miyagawa, Kyoto, JP;
Shimadzu Corporation, Kyoto, JP;
Abstract
A method for quantitating a substance to be measured including: storing a database with which a relative calibration curve is registered; measuring an internal standard substance having a known concentration; calculating the peak area or the height of an internal standard substance by preparing a chromatogram on the basis of a mass spectrum of the internal standard substance; gaining a mass spectrum of the substance to be measured by measuring the substance; calculating the peak area or the height of the substance by preparing a chromatogram on the basis of the mass spectrum of the substance to be measured; and of calculating the concentration of the substance on the basis of the relative calibration curve, the peak area or the height of the internal standard substance and the peak area or the height of the substance.