Pb²⁺ concentration (mg/L)

Treatment

Len (cm)

SA (cm²)

Vol (cm³)

PA (cm²)

0

CK1

5.35 ± 0.01c

28.86 ± 1.50d

12.33 ± 1.03c

9.12 ± 0.98d

B1

9.46 ± 0.06b

45.19 ± 0.12c

36.14 ± 0.10b

14.43 ± 0.14c

B2

10.26 ± 0.10a

104.27 ± 3.62a

90.57 ± 0.57a

34.41 ± 0.50a

B3

9.51 ± 0.04b

58.68 ± 0.02b

36.61 ± 0.04b

18.69 ± 0.02b

50

CK2

12.41 ± 0.03b

91.49 ± 1.14b

54.45 ± 0.48c

29.27 ± 1.04b

B1

13.09 ± 0.03a

50.54 ± 0.69d

49.07 ± 0.07d

15.78 ± 0.34d

B2

7.52 ± 0.37c

68.40 ± 0.35c

72.48 ± 0.67a

21.49 ± 0.29c

B3

6.97 ± 0.38d

102.27 ± 4.66a

70.39 ± 0.95b

34.46 ± 0.58a

250

CK3

4.25 ± 0.49b

38.70 ± 0.53c

28.68 ± 0.57c

12.26 ± 0.87b

B1

6.06 ± 0.65a

41.14 ± 0.16b

21.56 ± 0.10d

13.47 ± 0.37b

B2

5.86 ± 0.72a

46.35 ± 1.79a

51.92 ± 1.25a

20.73 ± 1.26a

B3

3.76 ± 0.08b

42.39 ± 0.35b

32.04 ± 0.07b

13.68 ± 0.38b

500

CK4

3.62 ± 0.95c

29.46 ± 0.89b

18.80 ± 0.47b

9.47 ± 0.20b

B1

4.58 ± 0.10bab

23.73 ± 0.81c

13.07 ± 0.08c

5.81 ± 0.02d

B2

5.19 ± 0.14a

32.81 ± 1.60a

28.24 ± 0.39a

22.43 ± 0.61a

B3

4.08 ± 0.09bc

23.06 ± 0.07c

8.36 ± 0.24d

8.08 ± 0.84c

1000

CK5

3.33 ± 0.01c

27.45 ± 0.41a

7.56 ± 0.50a

8.76 ± 0.21a

B1

3.99 ± 0.46b

18.25 ± 0.02b

7.18 ± 0.05a

7.41 ± 0.01b

B2

4.93 ± 0.03a

16.47 ± 0.49c

4.20 ± 0.07b

5.17 ± 0.03d

B3

3.29 ± 0.01c

18.87 ± 1.03b

7.36 ± 0.12a

6.08 ± 0.22c

2000

CK6

1.86 ± 0.048c

6.41 ± 0.31d

1.62 ± 0.08d

1.99 ± 0.03c

B1

3.26 ± 0.01a

8.91 ± 0.03b

3.56 ± 0.19b

2.82 ± 0.02b

B2

2.40 ± 0.07b

11.16 ± 0.05a

4.04 ± 0.20a

3.57 ± 0.03a

B3

1.85 ± 0.04c

7.53 ± 0.47c

2.42 ± 0.01c

2.81 ± 0.02b