Centrifuge

ASTM D91 - Precipitation Number of Lubricating Oils
This test method covers the determination of the precipitation number of steam cylinder stocks and black oils and can be used for other lubricating oils.
ASTM D96 (obs.) - Water and Sediment In Crude Oil
This test method covers the centrifuge method for determining sediment and water in crude oil during field custody transfers.
ASTM D483 - Standard Test Method for Unsulfonated Residue of Petroleum Plant Spray Oils
This test method covers the determination of sulfonated residue in plant spray oils of petroleum origin and applies only to the petroleum oil content.
ASTM D893 - Insolubles in Used Lubricating Oils
This test method covers the determination of pentane and toluene insoluble in used lubricating oils.
ASTM D1290 - Sediment in Water-emulsion Polishes
This test method covers the determination of sediment in water-emulsion polishes by means of a centrifuge.
ASTM D1093 - Standard Practice for Accreditation of Testing Agencies for Masonry
This practice provides the bare minimum criteria for use in evaluating the qualifications of testing agencies for masonry materials.
ASTM D1796 - Water and Sediment in Fuel Oils
This test method covers the laboratory test for the determination of water and sediment in fuel oils using the centrifuge method in the range from 0 to 30 % volume.
ASTM D1966 - Foots in Raw Linseed Oil
This method covers the gravimetric method's determination of feet in raw linseed oil.
ASTM D2273 - Trace Sediment in Lubricating Oils
This test method covers the determination of trace amounts (less than 0.05 volume %) of sediment in lubricating oils.
ASTM D2709 - Water And Sediment in Middle Distillate Fuels
This test method covers the determination of the volume of free water and sediment in middle distillate fuels having viscosities at 40°C (104°F) in the range of 1.0 to 4.1 mm/s (1.0 to 4.1 CST) and densities in the range of 770 to 900 kg/m.
ASTM D2711 - Demulsibility Characteristics of Lubricating Oils
This test method covers the measurement of the ability of oil and water to separate from each other. It is intended for use in testing medium and high-viscosity lubricating oils.
ASTM D4007 - Water and Sediment in Crude Oil
This test method describes the laboratory determination of water and sediment in crude oils by means of the centrifuge procedure.
IP 75 (obs.) - IP 359 - DIN 51793
Water and Sediment in Fuel Oils