Elements

Certified Value

Measured

% Recovery

Cd

2.30

2.23

97

Cu

78.6

80.1

102

Zn

373.00

367.01

98

Cr

40.00

34.06

85

Pb

63.6

62.2

98

Measured data in micrograms per gram
Table 1: Comparing the values of lichens in standard values with measured data in μg/g.