Processo para a extração com solvente de ions de ferro a partir de soluções aquosas e mistura adequada para a extração com solvente de ions de ferro a partir de soluções aquosas

Aminomethylene phosphinic acid derivs. contg. units of formula (I), soluble in hydrocarbons, or aminomethylene phosphonic acid derivs. contg. units of formula (Ia), or aminomethylene phosphonic acid derivs. of formula R R N-(A-N(R ))pR (II), are used in the extn. of Fe ions from aq. solns. In the fo...

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