1

2

3

4

5

6

7

8

9

10

Mean ± SD

% RSD

Hardness in NEWTON

56

45

44

46

42

33

46

46

41

33

43.2 ± 0.07

15.539

29

42

50

35

46

36

32

41

29

35

37.5 ± 0.07

18.866

39

34

39

44

46

40

36

38

35

40

39.1 ± 0.04

9.603

39.9 ± 0.06

14.669

Diameter

13.16

13.1

13.19

13.24

13.14

13.17

13.18

13.18

13.17

13.19

13.2 ± 0.04

0.274

13.09

13.09

13.13

13.08

13.08

13.07

13.11

13.14

13.14

13.06

13.1 ± 0.03

0.223

13.11

13.08

13.08

13.11

13.12

13.08

13.09

13.06

13.12

13.07

13.1 ± 0.02

0.164

13.1 ± 0.03

0.220