Item

Specification

Purity

99.90% min.

Ca

1ppm max.

Fe

5ppm max.

Mg

1ppm max.

Sr

11ppm max.

Na

3ppm max.

S

3ppm max.

Pb

4ppm max.

Si

3ppm max.

K

4ppm max.

Al

0.5ppm max.