This paper aimed to the evaluation of different kinds of sorbent material preparation and to the evaluation of their characteristics
at different pH conditions by X-ray fluorescence analysis. This method is suitable for identification and determination of
elements in samples of different character, state and origin because it is a polycomponent, non-destructive, fast and simple
analytical method. Moreover, it allows time-advantageous and reliable measurements. This paper studies problems concerning
the determination of some selected elements (Mn, Fe, Ni, Cu, Zn, Pb) in pharmaceutical samples of sodium chloride in the solid
state as well as in its solution by sorption on chelating extraction membrane 3M Empore™ and on the strongly acidic ion-exchanger
Dowex 50Wx8. Conditions for the most effective sorption of determined elements are also interpreted.