Abstract
A model of a specialized microcolumn has been proposed and tested, namely, a crucible atomization microcolumn for electrothermal atomic absorption analysis of natural waters in which the zone of isolation of suspended matter and the zone of dynamic preconcentration of dissolved forms of elements are separated. A direct independent analysis of solid suspended matter and DETATA concentrate is possible upon completion of preconcentration. Such an approach is used to determine suspended and dissolved forms of cadmium and lead in river water and soil groundwater.
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