the centrifuge test. The toluene must be carefully pipetted from
the centrifuge tube so that any free water that may be at the
bottom of the tube is not disturbed.
A1.5.6 Saturation is time- and temperature-dependent. It is
recommended that bottles of the toluene-water mixture be kept
at test temperature in the bath at all times so that saturated
solvent will be available whenever tests are to be run.