Weight method
Range: 0,01-0,40
Unit: % m/m
Objects: crude oils, fuel oils
A knowledge of the sediment content of crude oils and fuel oils is important both to the operation of refining and the buying or selling of the these commodities.
Summary of Test Method: Extract test portion of a representative oil sample, contained in a refractory thimble, with hot toluene until the residue reaches constant mass. The mass of residue, calculated as a percentage, is reported as sediment by extraction.
Requirements for sediment content of heavy heating fuels according to PN-C-96024 is max. 0,5 % (m/m).