System and method of determining trace elements in high viscosit

Details System and method of determining trace elements in high viscosit System and method of determining trace elements in high viscosit

1998-03-20

1999-12-14

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356 36, 356318, 250288, G01N 2173

Patent

active

06002478&

ABSTRACT:
Disclosed are a laser ablation system and method for determining the presence of trace elements in liquid samples such as oils, and/or in powder samples. A sample containing microporous membrane is utilized to prevent "splashing", "splattering" and/or "scattering" of liquid and/or powder sample when laser contained sample effectively "nebulizing" energy is applied. The present invention is typically used in combination with an inductively coupled plasma and a detector system, such as an Atomic Emission Spectrometer or Mass Spectrometer.

REFERENCES:
patent: 3981585 (1976-09-01), Belcher et al.
patent: 4220414 (1980-09-01), Barringer
patent: 4561777 (1985-12-01), Radziemski et al.
patent: 5194910 (1993-03-01), Kirkpatrick, Jr. et al.
patent: 5470757 (1995-11-01), Gagnon et al.
patent: 5537207 (1996-07-01), Carlhoff et al.

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