Metal

DORM-2

Concentration Found

Certified Value

Accuracy %

Zn

27.5 ± 2.5

25.6 ± 2.3

107.4

Cu

2.40 ± 0.17

2.43 ± 0.16

98.8

Cd

0.047 ± 0.003

0.043 ± 0.008

109.3

Pb

0.070 ± 0.003

0.065 ± 0.007

107.6

Hg

4.65 ± 0.12

4.64 ± 0.26

102.1