ITEMS | SPECIFICATIONS | RESULTS |
Characters | Yellow crystalline powder | Complies |
Identification | a):TLC.
b):Sulphuric acid reaction a yellow colour develops c):It gives reaction of chlorides |
Complies |
Assay | 88.0%~94.0%(C22H24N2O8)
Based on anhydrous ethanol-free substance |
90.5% |
PH | 2.0~3.0 | 2.4 |
Specific optical rotation | E (1%) is 300~335 at 349nm | 325 |
Heavy Metals | ≤50ppm | 20ppm |
Specific optical rotation | -1050~-1200 | -1130 |
Light-absorbing impurities | At490nm≤0.07 | 0.02 |
Weter | 1.4~2.8% | 2.0% |
Conclusion: | Conform to BP2005 |
NA
Aluminum Foil Bag ,Fluoride Bottle ,25KG/Fiber Drum,
According to customer’s request
Store at room temperature and away from light