Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Sample mechanical transport means in or for automated...
Patent
1978-06-22
1980-10-28
Marcus, Michael S.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Sample mechanical transport means in or for automated...
73423A, 141130, 422 80, 422116, 23230R, G01N 2766, G01N 2113, G01N 3320
Patent
active
042306655
ABSTRACT:
Gaseous measuring samples like element hydrides are generated from liquid samples by reacting the same with reducing reagents in a reactor. In the reactor a countercurrent of inert gas strips the volatile reduction products from the reactor to convey the products to the measuring cell of an analytical measuring instrument. Various embodiments of the apparatus automatically controlling the supply of liquid sample and reagents to the reactor are disclosed such as mechanically or pneumatically controlled pumps. In each measuring cycle the reactor and respective components are washed to prevent contamination of succeeding samples; also, analytical determination of blank values as well as reference values can be included in each measuring cycle.
REFERENCES:
patent: 3478598 (1969-11-01), Nielson
patent: 3726144 (1973-04-01), Klein
patent: 3881872 (1975-05-01), Naono
patent: 3929411 (1975-12-01), Takano et al.
patent: 3948607 (1976-04-01), Atwood
patent: 4018565 (1977-04-01), Fletcher et al.
patent: 4090848 (1978-05-01), Naono
patent: 4111051 (1978-09-01), Tamm et al.
Bodenseewerk Perkin-Elmer & Co. GmbH
Giarratana Salvatore A.
Grimes Edwin T.
Marcus Michael S.
Masselle Francis L.
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