1

2

3

4

5

6

7

8

9

10

Mean ± SD

% RSD

Hardness in NEWTON

127

122

123

102

105

122

122

129

121

118

119.1 ± 0.08

7.388

123

139

109

139

120

145

124

115

109

125

124.8 ± 0.12

10.112

112

130

142

126

136

148

116

130

131

122

129.3 ± 0.11

8.550

124.4 ± 0.11

8.683

Diameter

12.52

12.58

12.8

12.57

12.53

12.52

12.54

12.54

12.47

12.53

12.6 ± 0.09

0.712

12.48

12.43

12.47

12.44

12.47

12.55

12.48

12.47

12.55

12.49

12.5 ± 0.04

0.318

12.66

13.11

12.45

12.44

12.46

12.45

12.43

12.43

12.46

11.12

12.4 ± 0.05

4.010

12.5 ± 0.02

1.680