Elemental composition of the grafted surface

Energy: 6.686 KeV, Counts: 250

wt. % ± SD

Elements

44.4 ± 0.1

O

38.6 ± 0.1

Si

6.0 ±0.0

Na

5.5 ± 0.0

Ca

2.4 ± 0.0

Mg

1.5 ± 0.0

Ti

0.3 ± 0.0

K

0.3 ± 0.0

Al

0.3 ± 0.0

Fe

Elemental composition of the core glass

Energy: 6.686 KeV, Counts: 250

wt. % ± SD

Elements

47.2 ± 0.1

O

36.2 ± 0.1

Si

4.3 ± 0.0

Na

6.0 ± 0.1

Ca

2.4 ± 0.0

Mg

2.1 ± 0.1

Sn

0.3 ± 0.0

K

1.0 ± 0.0

Al

0.4 ± 0.1

Fe

0.1 ± 0.0

Cl