K3-2 Calculate the mean particle radius hydrosol latex

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3.2 Calculate the average radius of the particles of polystyrene latex hydrosol, according to data obtained by a turbidity meter height illuminated part of the standard and unknown sol are h1 = 8⋅10-3 m and h2 = 18 • 10-3 m, respectively; the average radius of the particles of the standard sol r1 = 88⋅10-9 m. Concentrations of the standard and the unknown are sols.

Additional information

Tasks of metodichek:
"Laboratory workshop on colloid chemistry" Nekrasov AP Veretenchenko BA, Kharkiv NTU "KPI", 2004
"Characteristic features of disperse systems" Nekrasov, AP, Kharkiv, 1996
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