In view of this, in the present work,
minced cassava root husks were characterized by
FTIR and elemental analysis to identify functionalgroups responsible for its capacity to coordinate
metal ions. The material, was tested in the
extraction of Cu(II) from water and was applied in
column experiments to test its ability to
preconcentrate metal from natural river water. The
accuracy of the preconcentratio method was
evaluated by comparison against a certified
reference material