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