standard

Properties

white or slight yellow powder

Assay %

≥99.0

Residue on Ignition %

≤0.5

Loss on Drying %

≤0.5

Chloride %

≤0, 2

Ferric salt ppm

≤10

Heavy Metals ppm

≤10

Arsenic ppm

≤1

Specific optical rotation (5% solution,stable for 20hr)

+39.0o--+43.0o

Melting point °C

198.0 –205.0

Microbiological Test Total plate count Yeast&mold Salmonella E.Coli

MAX 500/gMAX 100/gnegative negative