Abstract
A procedure for the automated extraction photometric determination of phosphate ions in aqueous media was proposed based on the formation of colored phosphomolybdic heteropoly acid followed by its extraction from the aqueous phase to 1-butanol in the units of a hydraulic facility for cyclic-injection analysis. The procedure ensures a lower limit of the analytical range at a level of 80 μg/L at a sample volume of 10 mL.
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