From the article "sodium and calcium sulfates are surprisingly ineffective..."
% of drying after 15 minutes with 10% w/v dessicant
Dessicant % of drying
4A Molecular Sieves 99
Calicium Chloride (powder) 86
Calcium Chloride ( pellet) 84
Magnesium Sulfate 80
Molecular Sieve (beads) 65
Calcium Sulfate 22
Sodium Sulfate 18
As you see - this is the amount of drying after 15 minutes - after one second you haven't dried the liquid at all, perhaps only removed actual drops of water sailing in your non-polar solvent.
Here is a proper procedure:
http://orgchem.colorado.edu/hndbksupport/drying/drying.html (http://orgchem.colorado.edu/hndbksupport/drying/drying.html)
http://orgchem.colorado.edu/hndbksupport/drying/images/daseq.html (http://orgchem.colorado.edu/hndbksupport/drying/images/daseq.html)