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. 09, 1996
Filed:
Dec. 14, 1994
Applicant:
Inventors:
Alan R Eastgate, La Praz, CH;
Wilfried Vogel, Cully, CH;
Assignee:
Fisons PLC, Ipswich, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ; G01N / ; H01J / ;
U.S. Cl.
CPC ...
356316 ; 356 36 ; 250288 ;
Abstract
The invention provides a nebulizer and spray chamber (3) for producing an aerosol (7) suitable for feeding into the plasma torch of an ICP or MIP emission or mass spectrometer. The aerosol (7) is subjected to rapid radiative heating (26) to evaporate the smaller droplets to dryness and preferably to cause the larger droplets to disintegrate into smaller droplets before they are completely evaporated. Nebulizer/spray chamber combinations according to the invention have higher sample transport efficiency than prior types. Optical and mass ICP and MIP spectrometers incorporating the nebulizer and spray chamber are also disclosed.