Method of and apparatus for feeding a sample to a plasma of an i

Details Method of and apparatus for feeding a sample to a plasma of an i Method of and apparatus for feeding a sample to a plasma of an i

1992-10-19

1994-05-24

McGraw, Vincent P.

Optics: measuring and testing

By dispersed light spectroscopy

With sample excitation

356315, G01N 2173

Patent

active

053153693

ABSTRACT:
A sample is fed to an ICP-AES by applying suction to a mouth of the sample vessel extending into the central or inner capillary tube of the burner from an annular orifice or a plurality of spaced apart orifices. The amount of sample material is controlled by volume flow control or gas pressure control. The sample is in the form of a powder or vapor without dilution or entrainment of chemical contaminants.

REFERENCES:
patent: 5066125 (1991-11-01), Rogers et al.
Thermal Vaporisation for Inductively Coupled Plasma Optical Emission Spectrometry; vol. 1, Jun. 1986, pp. 171-184.

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