Table 2. Deodorization rate of board prepared at different mixing ratio of sawdust, rice husk and charcoal

Mixing ratio of sawdust:rice husk:charcoal (%) Running time (min) Concentration of blank (μmol/mol) Concentration of sample (μmol/mol) Deodorization rate (%)
50:35:05 0 20 20
30 20 6 70
60 20 5 75
90 20 5 75
120 20 4 80
50:30:10 0 20 20
30 20 5.8 71
60 20 4.8 76
90 20 4.6 77
120 20 3.8 81
50:25:15 0 20 20
30 20 5.4 73
60 20 4.8 76
90 20 4.4 78
120 20 3.4 83
50:20:20 0 20 20
30 20 5.4 73
60 20 4.6 77
90 20 4 80
120 20 3.2 84