Item

Standard

Description

White crystalline powder

Assay

98.0-102.0%

[α]D20 Specific rotation

+84-87.5°

Loss on drying

≤2.0%

PH of 10% aqucous solution

5-8

Heavy metals (Pb)

≤10ppm

Arsenic

≤1ppm

Sulphated ash

            ≤0.7%

Hydrolysis products

            ≤1.5%

Two sugar chloride

            ≤0.5%

Single sugar chloride

            ≤0.1%

Triphenyl phozphine oxide

≤160ppm

Methanol

≤0.1%

Total plate counmt

NMT 1000/g

Mold

NMT 100/g

Coliforms

Negative