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| ITEM | STANDARD |
| APPEARANCE | A WHITE OR YELLOWISH WHITE POWDER |
| (ORGANOLEPTIC ) | |
| IDENTIFICATION | IR OR SPECFIC ROTATION OR CHEMICAL MENTHOD |
| (USP METHOD) | |
| APPEARANCE OF SOLUTION | CLEAR AND =<BY4 |
| (EP METHOD) | |
| ASSAY | 98.0%~100.5% |
| (USP METHOD) | |
| SPECFIC ROTATION | +21.0°~+24.0° |
| (USP METHOD) | |
| LOSS ON DRYING | =<1.0% |
| (USP METHOD) | |
| SULPHATED ASH | =<0.1% |
| (USP METHOD) | |
| HEAVY METALS | =<10PPM |
