Processes of sorption–desorption in the Cr(Vi)–calcined Zn/Al–hydrotalcite system


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Investigated are processes of sorption–desorption of Cr(IV) on model to the efficiency of desorption of Cr(VI) from the sorbent reagents are arrange in the series (NaOH: Na2CO3) > NaOH > Na2CO3 ≥ H2CO3 ≥ H2SO4. Calcined Zn/Al–hydrotalcite has been proposed for concentration of Cr(VI) and its spectrophotometric determination in natural waters.

Sobre autores

L. Puzyrnaya

Dumanskii Institute of Colloid Chemistry and the Chemistry of Water

Autor responsável pela correspondência
Email: puzyrna@ukr.net
Ucrânia, Kiev

B. Yatsyk

Dumanskii Institute of Colloid Chemistry and the Chemistry of Water

Email: puzyrna@ukr.net
Ucrânia, Kiev

G. Pshinko

Dumanskii Institute of Colloid Chemistry and the Chemistry of Water

Email: puzyrna@ukr.net
Ucrânia, Kiev

A. Kosorukov

Dumanskii Institute of Colloid Chemistry and the Chemistry of Water

Email: puzyrna@ukr.net
Ucrânia, Kiev

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