5.1 Centrifuge:
5.1.1 Use a centrifuge capable of spinning two or more
filled cone-shaped 203-mm (8-in.) centrifuge tubes at a speed
NOTE 5—Some oils may require other solvents or solvent-demulsifier
combinations. Those agreed upon between the purchaser and the seller
may be used.
6.1.2 The solvent shall be water-saturated at 60 6 1°C (140
6 1.8°F) but shall be free of suspended water. See Annex A1
for the solvent-water saturation procedure.
6.2 Demulsifiers:
6.2.1 Where necessary, use a demulsifier to promote the
separation of water from the sample, to prevent water from