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:
Dec. 14, 1999

Filed:

May. 14, 1998
Applicant:
Inventors:

Tetsumasa Ito, Chiba, JP;

Yoshitomo Nakagawa, Chiba, JP;

Osamu Matsuzawa, Chiba, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01J / ;
U.S. Cl.
CPC ...
250288 ; 250281 ;
Abstract

A sample introducing apparatus for an inductively coupled plasma mass spectrometric and spectrochemical analyzer is provided to have a branch pipe at a sample pipe of a plasma torch for introducing an oxygen gas controllable in flow rate. The sample, after mixed with a sufficient amount of oxygen, is burnt by a plasma to oxidize and vaporize carbon.


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