PH = 5 | 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) | 1.41 | 0.91 | 1.18 | 1.52 | 1.8 | 2.93 | |
Turbidity (NTU) (sample B) | 2.42 | 2 | 1.8 | 2.87 | 3.16 | 7.07 | |
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) | 1.34 | 1.12 | 0.36 | 0.74 | 1.81 | 4.61 | |
Turbidity (NTU) (sample B) | 1.75 | 0.56 | 0.86 | 1.46 | 1.82 | 4.14 | |
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) | 1.33 | 1.09 | 0.5 | 3.09 | 4.01 | 4.17 | |
Turbidity (NTU) (sample B) | 1.2 | 1.08 | 0.39 | 1.8 | 2.21 | 2.3 |