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Molecular Weight: Measurements with Gravity Cells |
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| Authors: | Weber F N Kupke D W Beams J W |
| Abstract: | A gravity cell can be used to determine the weights of particles greater than 10(8) molecular weight units. The solution is maintained at a temperature which is constant to +/- 0.001 degrees C until equilibrium between sedimentation produced by gravity is balanced by back diffusion. The weight-average molecular (particle) weight of tipula iridescent virus was (1.05 +/- 0.02) x 10(9). |
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