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Short torch design for direct liquid sample introduction using conventional and micro-nebulizers for plasma spectrometry

Patent ·
OSTI ID:921693
 [1];  [2];  [3];  [4]
  1. Potomac, MD
  2. Landenberg, PA
  3. Montgomery Village, MD
  4. Arlington, VA
+ Show Author Affiliations
An apparatus and method for providing direct liquid sample introduction using a nebulizer are provided. The apparatus and method include a short torch having an inner tube and an outer tube, and an elongated adapter having a cavity for receiving the nebulizer and positioning a nozzle tip of the nebulizer a predetermined distance from a tip of the outer tube of the short torch. The predetermined distance is preferably about 2-5 mm.
Research Organization:
The George Washington University (Washington, DC)
Sponsoring Organization:
United States Department of Energy
DOE Contract Number:
FG02-93ER14320
Assignee:
The George Washington University (Washington, DC)
Patent Number(s):
7,317,186
Application Number:
11/018,919
OSTI ID:
921693
Country of Publication:
United States
Language:
English

References (4)

Optimization of the evaporation cavity in a torch integrated sample introduction system based ICP-AES system. Applications to matrix and transient effects, analysis of microsamples and analysis of certified solid samples journal January 2003
New torch design with an in-built chamber for liquid sample analysis by ICP-AES journal January 2002
A Direct Injection High-Efficiency Nebulizer for Inductively Coupled Plasma Mass Spectrometry journal March 1998
Demountable direct injection high efficiency nebulizer for inductively coupled plasma mass spectrometry journal March 2004

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