| ≥1 piece |
Specific rotation[α￡?]D20: +20.7o to +21.5o
Assay: 99.0% to 100.5%
Loss on drying: 0.40% max.
Heavy metals[Pb]: 10ppm max.
PH: 5.0 to 6.0
Residue on ignition [Sulfated]:0.10% max.
State of solution:Clear and colorless 98.0% min.
Chloride[Cl]: 19.12% to 19.51%
Ammonium[NH4]: 0.02% max.
Sulfate[SO4]: 0.020% max.
Iron[Fe]: 0ppm max.
Arsenic[As2O3]: 1ppm max.
Other amino acids:Chromatographically not detectable.
Benzene: 2ppm max.
Chloroform: 60ppm max.
1,4-Dioxane: 380ppm max.
Methyylene cglorida: 600ppm max.
Trichlopoeethylene: 80ppm max.