Calculate the sedimentation potential of aluminum oxide

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Calculate the sedimentation potential of aluminum oxide particles in an aqueous solution of potassium chloride using the following data: φ = 0.1, ε = 81, ζ = 50 * 10-3 V, ρ-ρ0 = 1 * 103 kg / m3, η = 1 * 10 -3 Pa * s, _ æv = 1 * 10-2 Ohm-1m -1.