9. Using experimental data of electroosmosis, show grap

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9. Using experimental data of electroosmosis, show graphically how the ξ-potential varies on the quartz membrane with increasing concentration of KCl solution:
 
Concentration of KCl solution
C, kmol / m 3
1⋅10 -4 1⋅10 -3 1⋅10 -2 1⋅10 -1
Specific electrical conductivity
of the medium, om -1 ⋅m -1
1,5⋅10 -3 1,25⋅10 -2 1,22⋅10 -1 1,05
Volumetric velocity V⋅10 10, m 3 / s 25.0 17.5 14.0 4.5
Current strength J, A 2⋅10 -5 4⋅10 -4 7⋅10 -3 2⋅10 -2
 
The viscosity of the medium is η = 10 -3 Pa · s; ε = 81; ε 0 = 8.85⋅10 -12 F / m.

Additional information

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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