Parameter

Specification

Appearance

White or almost white crystalline powder

Specific optical rotation ((a)20/D; 10% in water; on dried substance)

+54.4 to +55.9°

Sulphated ash

0.5 % max

Wa ter (by KF)

4.5-5.5 %

Heavy Metal (as Pb)

0.0005 % max

Arse nic (As)

0.0001 % max

Cop per (Cu)

0.0025 % max

Lea d (Pb)

0.00005 % max

Zi nc (Zn)

0.0025 % max

Loss on drying (at 80°C ; 2 hrs )

0.05 % max

Matter extractable with ethanol

0.4 % max