To measure density it is necessary to fill the glass tube with the oil sample and to place it into the heating bath. As soon as the temperature of 50 ˚C is constant, the density can be determined with the help of the appropriate hydrometer which automatically converts to standard temperature of 15 ˚C. Stability and compatibility parameters of heavy fuel oils and MGOs are measured by identical test procedures. Two mixed oil samples (or only one sample for stability determination) are heated up to 95 ˚C in the heating bath. A drop of the heated oil is applied on chromatographic SPOT TEST paper and is ready for the analysis as soon as the spot dries out.
This test method applied by COMPA DENS CHECK follows ASTM D 4740-04 (2014).
Stability/ Compatibility:
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