1

2

3

4

5

6

7

8

9

10

Mean ± SD

% RSD

Hardness in NEWTON

109

124

114

123

121

118

118

111

124

115

117.7 ± 0.05

4.567

126

121

117

133

131

133

127

129

129

127

127.3 ± 0.05

3.989

146

144

142

144

148

135

143

129

122

129

138.2 ± 0.08

6.397

127.7 ± 0.06

4.984

Diameter

10.94

10.98

10.96

10.97

11.02

11.01

10.95

11.02

10.99

10.95

10.9 ± 0.02

0.273

11.1

11.02

11.16

10.98

10.99

10.95

10.97

11.01

10.97

11.1

11.0 ± 0.07

0.638

10.96

11.01

11

10.96

11.1

10.98

11.11

10.98

11.06

11.12

11.0 ± 0.06

0.576

11.0 ± 0.05

0.496