Method and a device for extracting metal ions

Details Method and a device for extracting metal ions Method and a device for extracting metal ions

1987-03-11

1988-08-09

McFarlane, Anthony

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group ib metal

423 54, 423 63, 423 87, 423 98, 423109, 423112, 423139, 75101BE, 210634, B01D 1104

Patent

active

047626917

ABSTRACT:
Metal ions contained in trace in an aqueous solution are extracted, for quantitative analysis by an ICP emission spectrometer, with an organic solvent supplemented by chelate compounds in an extraction vessel having a thin cylindrical upper portion, to form an organic layer containing the extracted metal ions over an aqueous layer. After extraction, water is supplied from the bottom of the vessel in an amount so that the interface between the organic and aqueous layers is positioned at a predetermined position of the thin, upper portion where a liquid withdrawal port is provided. The organic layer is recovered from the withdrawal port.

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patent: 4664700 (1987-05-01), Alexandratos

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