Question

Can slow but long centrifugations substitute for fast but short centrifugations?

Answer 1

hey mate ,,,,,,
.

..here's ur answer.....

In many lab protocols, a specific centrifugation rate and time is usually required.

For example, DNA precipitation protocols usually require that the precipitated DNA be spun at 12,000 g for 30 minutes.

However, Sigma-Aldrich's guide to centrifugationstates that the rate of sedimentation is proportional to the centrifugal force.