## Abstract We propose simple expressions $\Pi /\Pi \_0 = 1 + (\varphi /\varphi \_{{\rm ex}} )^{3\alpha - 1}$ and $(\delta \_0 /\delta )^2 = 1 + (\varphi /\varphi \_{{\rm ex}} )^{2\alpha }$ for the osmotic pressure Π and the depletion thickness __δ__ as a function of the polymer concentration __φ__
✦ LIBER ✦
Test of ‘scaling laws’ describing the concentration dependence of osmotic pressure, diffusion and sedimentation in semidilute macromolecular solutions
✍ Scribed by Jaan Roots; Bo Nyström
- Publisher
- Elsevier Science
- Year
- 1979
- Tongue
- English
- Weight
- 808 KB
- Volume
- 20
- Category
- Article
- ISSN
- 0032-3861
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## Abstract The transport coefficients of macromolecular solutes are normally extrapolated to “infinite dilution” to remove the effects of concentration‐dependence terms, for which no satisfactory general treatment has been available. It is shown that a simple general treatment for the concentratio