Apparatus for generating and transferring a gaseous test sample

Details Apparatus for generating and transferring a gaseous test sample Apparatus for generating and transferring a gaseous test sample

1978-04-14

1980-06-17

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Sample mechanical transport means in or for automated...

422 68, 422 81, G01N 2766

Patent

active

042083729

ABSTRACT:
Atomic absorption spectrometer sample supply apparatus for producing a gaseous sample for analysis and for transferring the sample to the atomic measuring cuvette. The sample supply is in a sealed vessel and, by directing the flow of a pressurized inert gas, the sealed sample vessel is first purged of contaminating air, a volatilizing reagent is forced by inert gas pressure into the sample, and a small specimen of the gaseous sample is transferred by gas pressure into the cuvette inlet tube.

REFERENCES:
patent: 3190731 (1965-06-01), Weiskopf
patent: 3536450 (1970-10-01), Dus et al.
patent: 3698870 (1972-10-01), DeJong
patent: 3801282 (1974-04-01), Manni ng et al.
patent: 3844719 (1974-10-01), Hammitt
patent: 3929411 (1975-12-01), Takano
patent: 3933436 (1976-01-01), Naono
patent: 3963420 (1976-06-01), Matsumoto et al.
patent: 4002269 (1977-01-01), Negersmith
patent: 4025311 (1977-05-01), Bochinski
patent: 4083690 (1978-04-01), Inoue
Beckman `Instruments` Inc. Bulletin, M-2029, Jul. 1975.

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