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| 物性（P） | 冻干粉。溶于水。A crystalline product that is substantially free of globulins and other interfering activities. This salt-free preparation is the purest material best suited for the most sensitive biochemical and diagnostic assays. DNase, RNase activity None detected . |
| Purity | >99% |
| pH(7% H2O, 25°C) | 5.0~5.4 |
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