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:
Apr. 14, 1992

Filed:

Feb. 28, 1989
Applicant:
Inventors:

Toyoharu Okumoto, Katsuta, JP;

Katsuhito Harada, Katsuta, JP;

Konosuke Oishi, Mito, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ; G01N / ;
U.S. Cl.
CPC ...
356307 ; 356312 ; 356319 ;
Abstract

An atomic absorption spectrophotometer comprising means for setting the ashing temperature for that of the element having the lowest ashing temperature; means for setting the atomizing temperature for that of the element having the highest atomizing temperature; and means for effecting background correction utilizing Zeeman effect.


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