Whatman 1 PS Phase Separator Paper
The Whatman 1 PS Phase Separator is a high grade filter paper impregnated with a stabilised silicone that renders it hydrophobic, retaining the aqueous phase and passing the solvent phase through.
Automatic Cut-Off, Separatory Funnel Replacement
After being shaken, the mixed phases are simply poured directly into the 1 PS circle which is quadrant-folded in the funnel. The separation is extremely rapid so it is unnecessary to wait until the two phases have settled into separate layers. Droplets are automatically separated after only a few moments, giving a solvent phase completely free of the aqueous phase.
In many applications, 1 PS can replace the use of separatory funnels.
The solvent phase flows through the paper quickly and cleanly. It then stops automatically, leaving the aqueous phase completely in the paper. This feature is particularly important when carrying out a large number of routine solvent extractions at the same time. Samples can be shaken with solvent in stoppered conical flasks or test tubes and transferred directly to funnels containing 1 PS.
<< Apart from being incredibly handy for a/b's and sep funnel work; could these be used for the rapid drying of solvents? They seem confident they it captures ALL aqueous and only passes the solvent phase. Anyone used these?