Device for producing a gaseous measuring sample for atomic absor

Details Device for producing a gaseous measuring sample for atomic absor Device for producing a gaseous measuring sample for atomic absor

1986-01-23

1988-04-26

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

Means for analyzing liquid or solid sample

13762418, 141 21, 141 39, 422 80, 422112, 422116, 436 43, G01N 2766

Patent

active

047403560

ABSTRACT:
Inert gas is supplied to a closed reagent reservoir for reagent dosing in producing gaseous measuring samples according to the "hydride method". Thereby, reagent is pressed into a sample vessel through a reagent dosing conduit. A manometric switch is provided at the inert gas connecting conduit to produce a defined reagent flow, by means of which manometric switch a valve located in the connecting conduit is driven into its closed position, if a preset pressure has been reached.

REFERENCES:
patent: 3983864 (1976-10-01), Sielaff et al.
patent: 4003257 (1977-01-01), Fletcher et al.
patent: 4148610 (1979-04-01), Miller, Jr. et al.
patent: 4187991 (1980-02-01), Poli
patent: 4273742 (1981-06-01), Huber et al.
patent: 4294804 (1981-10-01), Baran

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