Published Detoxification of toxic metal ions by sorption onto activated carbon from hevea brasiliensis bark – a comparative study by Kannan N., Veemaraj T. 197-205_651_Kannan_12-2.pdf
Published Using wood and bone ash to remove metal ions from solutions by Chojnacka Katarzyna, Michalak 205-217_582_Chojnacka.pdf