Chemical apparatus and process disinfecting – deodorizing – preser – Analyzer – structured indicator – or manipulative laboratory... – Means for analyzing liquid or solid sample
Patent
1997-07-31
1998-10-27
Le, Long V.
Chemical apparatus and process disinfecting, deodorizing, preser
Analyzer, structured indicator, or manipulative laboratory...
Means for analyzing liquid or solid sample
422 63, 422 70, 422100, 422103, 436 52, 436 54, 436161, 436174, 436180, 73 2341, 73 6155, 73 6456, 96105, 96106, 2101982, G01N 3510
Patent
active
058274812
ABSTRACT:
A device for performing sample acquisition and introduction of a selectable quantity of the acquired sample to associated device such as an analytical instrument. The preferred embodiment of a the device includes a reservoir for reserving a quantity of sample, a sipper section having a nozzle for inserting an exposed orifice extending therefrom into a sample aggregation, a pump for forcing a quantity of sample from the sample aggregation through the nozzle and into the reservoir, a metering section having a selectably operable motive force unit and a metering unit for withdrawing a sample quantity to be analyzed from the reservoir and for causing the withdrawn sample quantity to be metered into at least one discrete sample quantity of selectable volume, a vaporization section having a vaporizing chamber for receiving the discrete sample quantity and a vaporizer for optionally causing the volatile components of the discrete sample quantity to be volatilized, and an interface which is connected to the vaporization chamber and adapted for insertion into the carrier fluid stream of the instrument. The vaporization chamber may be pneumatically coupled on demand to a carrier fluid stream whereby the metered or volitalized sample components may be rapidly introduced to the carrier fluid stream so as to effect a sample component/carrier fluid mixture.
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Bente H. Bryan
Glaser Michael David
Dudley Mark Z.
Hewlett--Packard Company
Le Long V.
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