Apparatus for analysis of volatile samples by atomic spectroscop

Details Apparatus for analysis of volatile samples by atomic spectroscop Apparatus for analysis of volatile samples by atomic spectroscop

1990-08-03

1991-10-08

Evans, F. L.

Optics: measuring and testing

With sample preparation

356311, G01N 2101

Patent

active

050549146

ABSTRACT:
The volatile sample is entrained by a carrier gas flow leading to a measuring arrangement of an atomic spectrometer through a carrier gas conduit. A tube section containing a gas permeable, inert filling is placed in the carrier gas conduit. A cooling jacket is associated with this tube section. The volatile sample is frozen out and/or adsorbed at the filling. Subsequently, the filling is heated by at least one infrared radiator through the cooling jacket whereby the deposited volatile sample is vaporized and supplied to the measuring arrangement in concentrated manner.

REFERENCES:
Arenas et al., Fresenius Zeitschrift fur Analytishe Chemie, vol. 332, pp. 447-452.
Piwonka et al., Fresenius Zeitschrift fur Analytishe Chemie, vol. 321, 1985, pp. 225-234.
Alt et al., Fresenius Zeitschrift fur Analytische Chemie, vol. 327, 1987, pp. 233-234.

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