36. Решение задачи по химии №003 651

3.18. Calculate the particle size of the vat yellow pigment in water if the time of their settling in the centrifugal field was 180 s under the following conditions: initial level h1 = 0.04 m; final level h2 = 0.09 m; density of the dispersed phase p = 1.3*103 kg/m3; density of the dispersion medium p0 = 1*103 kg/m3; viscosity n= 1*10–3 Pa *s; centrifuge speed n = 1800 rpm.

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