The complexation of chitosan and its derivatives with heavy metals were reviewed by Varma.(7) Furthermore, chitosan has also been used in a preconcentration procedure.(8-10) To reduce solid phase preparation time,
The complexation of chitosan and its derivatives with heavy metals were reviewed by Varma.(7) Furthermore, chitosan has also been used in a preconcentration procedure.(8-10) To reduce solid phase preparation time,
The complexation of chitosan and its derivatives with heavy metals were reviewed by Varma. (7) Furthermore, chitosan has also been used in a preconcentration procedure. (8-10) To reduce solid phase preparation time,.