Vacuum vs. Centrifuge - equivalence

[dsch]

I've been using a vacuum system to filter solutions. I would like to move it over to a centrifuge. I have been having trouble equating the pressure in the vacuum to the required amount of force required by a centrifuge. Can someone help me out with the math? I'm looking a the vacuum pressure in mbars and for centrifugation, it seems that standard gravity is best (number of "g's").

 

[Andy Resnick]

I've been using a vacuum system to filter solutions. I would like to move it over to a centrifuge. I have been having trouble equating the pressure in the vacuum to the required amount of force required by a centrifuge. Can someone help me out with the math? I'm looking a the vacuum pressure in mbars and for centrifugation, it seems that standard gravity is best (number of "g's").

Since pressure is simply force/area, I get Dm*a*g = DP*A, where Dm is the density difference between solution and air, a*g = acceleration of the centrifuge (i.e. 100g's), DP the pressure drop for your vacuum system, and A the area of the filter.