105 Задачка по химии №010 524

289. Calculate the rate and time of sedimentation of spherical Al2O3 particles in water under the following conditions: particle radii 10-6 and 10-9 m, density of the dispersed phase 3.9 * 103 kg / m3, density of the dispersion medium 1 * 103 kg / m3, viscosity of the dispersion medium 1*10-3 Pa*s, temperature 293 K, settling height 0.1 m. Evaluate the sedimentation stability of dispersions.

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