Table 5.
Results of heavy metal content about agglomerated wood charcoal

Test details As (mg/kg) Cd (mg/kg) Cr (mg/kg) Cu (mg/kg) Pb (mg/kg) Hg (mg/kg) Ni (mg/kg) Zn (mg/kg) Ba (%)

Charcoal A (Mixed Hard wood) N.D. N.D. 6 43 1 N.D. 6 25 2.8
Charcoal A (Coconut shell) N.D. N.D. 20 38 52 N.D. 8 117 0.2
Charcoal B (Merbau) N.D. N.D. 2 9 1 N.D. 1 41 -
Charcoal B (Bamboo) N.D. N.D. 3 9 1 N.D. 1 42 -
Charcoal C (Mixed Hard wood) N.D. N.D. 15 35 19 N.D. 7 96 -
Charcoal C (Mixed wood) N.D. N.D. 12 35 15 N.D. 6 92 -
Charcoal A - agglomerated wood charcoal powder, Charcoal B - agglomerated wood charcoal sawdust, Charcoal C -agglomerated wood charcoal for igniting nine-holed charcoal