14. When studying the coagulation of bentonite clay sol in water, the following data were obtained:
τ , s 335 510 600 800
vΣ *10 -14 ppm 2.52 1.92 1.75 1.49
The initial number of particles in 1 m3 of the sol is v0 = 5*1014. Check the applicability of the Smoluchowski equation to describe coagulation kinetics data. Calculate the half coagulation time and the number of particles of the 2nd, 3rd, 4th order by the time τ = 800 s.

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