Apparatus for preparing test samples

Details Apparatus for preparing test samples Apparatus for preparing test samples

1981-07-17

1983-08-30

Marcus, Michael S.

Chemical apparatus and process disinfecting, deodorizing, preser

Analyzer, structured indicator, or manipulative laboratory...

422 68, 422102, 422240, 432264, 436174, G01N 128

Patent

active

044016255

ABSTRACT:
An apparatus for preparing test samples for chemical analytical testing has an electric coil adapted to receive a crucible and connected to a source of electricity. The crucible is formed by an outer vessel of a noble metal and by an inner vessel formed of a rigid refractory material that is a good conductor of heat and that is not wettable by the sample. Normally platinum or a platinum alloy is used for the outer vessel and vitreous carbon is used for the inner vessel. The apparatus further comprises a high-frequency electricity supply for supplying electricity to the coil and thereby heating the crucible and the sample therein, a casting receptacle at a lower station below the upper station and adapted to receive the melted sample, a dissolving receptacle at the lower station, and a bath of a solvent for the sample in the dissolving receptacle.

REFERENCES:
patent: 2665223 (1954-01-01), Clough et al.
patent: 4159891 (1979-07-01), Schmidt et al.
patent: 4272488 (1981-06-01), Carman

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