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:
Jan. 24, 1978
Filed:
Apr. 05, 1976
Kazunori Fujita, Ibaraki, JA;
Seiji Takeuchi, Hitachi, JA;
Yoshinori Takata, Ibaraki, JA;
Mamoru Taki, Hitachi, JA;
Yoshimasa Hamano, Katsuta, JA;
Hitachi, Ltd., , JA;
Abstract
A definite, but large amount of a sample solution is fed to a small concentration column filled with a packing material to retain in the concentration column components to be measured in the sample solution. Then, a small amount of a desorbing solution is fed to the concentration column to desorb the components retained in the concentration column. The effluent solution containing the desorbed components is fed to a separation column filled with a packing material. An eluting solution is fed to the separation column to separate the components from one another, and the components are detected by a detector. Since the components are separated from one another after their concentrations have been elevated, and thus the components can be measured with a high sensitivity.