Automatic sample preparation device

Details Automatic sample preparation device Automatic sample preparation device

1976-07-30

1977-08-16

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23253R, 734254P, 734256, 141130, G01N 114

Patent

active

040423387

ABSTRACT:
An automatic sample preparation device for use in flameless atomic absorption spectroscopy or the like, wherein samples to be examined for a particular element are successively mixed with graduated, metered additions of the element to be determined, which includes, in combination, controlled delivery pumping apparatus, a storage vessel system containing dilution agents connected to the inlet side of the pumping apparatus, a dosing probe connected to the outlet side of the pumping apparatus, a stepwise movable carrier, a plurality of sample containers mounted on the carrier, a sample withdrawing device for withdrawing samples from the carrier, and a control unit for moving the dosing probe with respect to the carrier so that one group of at least two successive sample containers on the carrier can be simultaneously mixed with graduated, metered additions of the element to be determined prior to sample withdrawal.

REFERENCES:
patent: 3475130 (1969-10-01), Baruch
patent: 3728079 (1973-04-01), Moran
patent: 3912456 (1975-10-01), Young
patent: 3917455 (1975-11-01), Bak et al.

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