ITEM | SPECIFICATIONS |
CHARACTERISTICS: | A WHITE TO LIGHT GREEN,FINE CRYSTALLINE POWDER OR FINE CRYSTALS.NEEDLES OR ELONGATED PLATES |
IDENTIFICATION: | CONFORM |
MELTING POINT: | 149~153℃ |
SPECIFIC OPTICAL ROTATION: | +18.5~ +20.0O |
HEAVY METALS: | 0.0010%MAX |
PH | 5.0~7.5 |
CHLORIDE: | <0.005% |
LOSS ON DRYING: | <0.5% |
RESIDUE ON IGNITION: | <0.1% |
RELATED SUBSTANCES: | SINGLE IMPURITIES:0.5%MAX TOTOAL IMPURITIES:2%MAX |
CRYSTAL CHARACTERISTIC | CONFORM |
ASSAY: | 98.0~102% |