PH = 5 | Beaker No. | 1 | 2 | 3 | 4 | 5 | 6 |
Leaves Solution (mg/l) | 0 | 4 | 8 | 12 | 16 | 20 | |
Alum (mg/l) | 24 | 20 | 16 | 12 | 8 | 4 | |
% (Solution/Total dose ) | 0% | 17% | 33% | 50% | 67% | 83% | |
Turbidity (NTU) (sample A) | 4.03 | 2.06 | 1.23 | 3.19 | 4.02 | 6.41 | |
Turbidity (NTU) (sample B) | 6.7 | 4.74 | 4.38 | 7.14 | 8.3 | 11.8 | |
PH = 7 | Beaker No. | 1 | 2 | 3 | 4 | 5 | 6 |
Leaves Solution (mg/l) | 0 | 3 | 6 | 9 | 12 | 15 | |
Alum (mg/l) | 18 | 15 | 12 | 9 | 6 | 3 | |
% (Solution/Total dose ) | 0% | 17% | 33% | 50% | 67% | 83% | |
Turbidity (NTU) (sample A) | 5.61 | 5.59 | 5.57 | 7.1 | 9.63 | 13.4 | |
Turbidity (NTU) (sample B) | 8.04 | 7.72 | 8.05 | 10.5 | 12.3 | 16.9 | |
PH = 9 | Beaker No. | 1 | 2 | 3 | 4 | 5 | 6 |
Leaves Solution (mg/l) | 0 | 4 | 8 | 12 | 16 | 20 | |
Alum (mg/l) | 24 | 20 | 16 | 12 | 8 | 4 | |
% (Solution/Total dose ) | 0% | 17% | 33% | 50% | 67% | 83% | |
Turbidity (NTU) (sample A) | 10.5 | 10.1 | 3.25 | 10.7 | 14.1 | 14.5 | |
Turbidity (NTU) (sample B) | 5.49 | 3.7 | 3.1 | 1.14 | 9.35 | 9.75 |