Optics: measuring and testing – By dispersed light spectroscopy – With sample excitation
Patent
1991-04-24
1993-08-10
McGraw, Vincent P.
Optics: measuring and testing
By dispersed light spectroscopy
With sample excitation
356316, G01N 2167, G01N 2168
Patent
active
052354016
ABSTRACT:
The device as per the invention consists of a low pressure lamp incorporating an appropriately positioned microwave generator within the cavity. With this arrangement it is possible to obtain within the low pressure lamp microwaves of power very much greater than that which can be obtained using known systems involving the introduction of microwaves via coaxial cable, and such as to ensure greater excitation of the atoms forming the plasma produced in the lamp, consequently increasing the sensitivity of the analytical apparatus and markedly lowering the detectability limit of trace elements.
REFERENCES:
Caroli et al, "A Novel Version of the Microwave-Coupled Hollow Cathode Lamp for Atomic Emission Spectrometry", Applied Spectroscopy, vol. 41, #4, May/Jun. 1987, pp. 579-583.
Caroli Sergio
Cilia Marcello
Del Monte Maria G.
Guantera Giuseppe
Senofonte Oreste
Centro Sviluppo Materiali S.p.A.
Instituto Superiore di Sanita
McGraw Vincent P.
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