Table 1 Impregnated materials and activated carbons derived from Pterocarpus indicus twigs.
Mass ratio | Sample coding | |||
---|---|---|---|---|
Twigs raw material (TRM) | ZnCl2 | H3PO4 | Impregnated material | Activated carbon |
1 | 0 | 0 | imTRM1 | TAC1 |
1 | 1 | 0 | imTRM2 | TAC2 |
1 | 0 | 1 | imTRM3 | TAC3 |
1 | 0.5 | 0.5 | imTRM4 | TAC4 |
1 | 0.25 | 0.75 | imTRM5 | TAC5 |
1 | 0.75 | 0.25 | imTRM6 | TAC6 |