URITY PURITY

99.5% MIN.

99.7% MIN.

PbO

0.2% MAX.

0.04% MAX.

CuO

0.006% MAX.

0.005% MAX.

Mn

0.0002% MAX.

0.0002% MAX.

INSOLUBLES IN HCl

0.03% MAX.

0.01% MAX.

LOSS ON IGNITION

0.4% MAX.

0.20% MAX.

SOLUBLES IN WATER

0.30% MAX.

0.27% MAX.

RESIDUE

PASSED

PASSED

MOISTURE

0.4% MAX.

0.1% MAX.

METALS

METALS

METALS