NaCl-solutions (150 ml) of selected concentrations (1.0, 2.0, 3.0, 4.0, 5.0 and 6.0 M, respectively) were added to the remaining precipitate, and the procedure described above repeated.
NaCl-solutions (150 ml) of selected concentrations(1.0, 2.0, 3.0, 4.0, 5.0 and 6.0 M, respectively) wereadded to the remaining precipitate, and the proceduredescribed above repeated.