Samples

Elements

Before Leaser Cleaning

After Leaser Cleaning

1

Cu

72.98

79.24

O

19.47

20.22

Au

3.30

0.00

Ag

2.14

0.19

Cl

1.23

0.00

Al

0.35

0.24

Ca

0.35

0.11

Fe

0.19

0.00