Saturation formula - (Nov/28/2011 )

I need a formula for saturating a volume of serum with solid ammonium sufate that takes into account the specific volume that the ammonium sulfate adds. I have been researching it and there are too many sources that give varying results.

there are charts which will tell you how much ammonium sulfate to add to a volume to reach saturation (or percentage of).

here's one: