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20. Construct a curve of the dependence of the ξ-p
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Uploaded: 25.04.2018
Content: 9.2(20).rar 190,01 kB
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20. Construct a curve of the dependence of the ξ-potential on the pore diameter of the corundum diaphragm in KCl solution, using the following experimental data of electroosmosis:
The pore diameter is d⋅10 6, m 3.0 10.0 25.0 75.0 100.0
Volumetric velocity V⋅10 8, m 3 / s 2.0 3.2 3.9 4.0 4.05
Current strength J = 2⋅10 -2 A; ε = 81; ε 0 = 8.85⋅10 -12 F / m; the specific electrical conductivity of the medium is ω = 1.3⋅10 -2 Ω -1 ⋅ m -1; the viscosity of the medium is η = 10 -3 PaNs.
Additional information
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Questions and problems from the manual:
"Laboratory Workshop on Colloid Chemistry" Nekrasov AP, Veretenchenko BA, Kharkov NTU "KhPI", 2004
"Characteristic properties of disperse systems" Nekrasov AP, Kharkov, 1996
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