Sample nebulizer and evaporation chamber for ICP and MIP emission or mass spectrometry and spectrometers comprising the same
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United States of America Patent
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Jul 9, 1996
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N/A
app pub date -
Dec 14, 1994
filing date -
Feb 19, 1992
priority date (Note) -
Expired
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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.
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