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Density of formulation excipients determined by He-pycnometry.
| substance | measured density (kg m−3) | reference densitya (kg m−3) |
|---|---|---|
| trehalose dihydrate | 1526 | 1540 |
| mannitol | 1521 | 1510 |
| dextran 10 kDa | 1023 | 1040 |
| dextran 150 kDa | 1505 | — |
| bulk insulin | 1324 | — |
aAccording to the supplier.
