Sample

Mg (w%)

Al (w%)

Si (w%)

P (w%)

S (w%)

Cl (w%)

Ca (w%)

Fe (w%)

Zn (w%)

Mn (w%)

Inner tubing

2.9

2.4

8.1

1.7

1.4

1.9

5.8

64.0

11.8

ND

Cut cross section

ND

1.4

1.2

ND

ND

ND

ND

96.0

ND

1.6