Recommended Results

Application Report Diana 700: Distillation of Reference Fluids (Toluene and n-Hexadecane)

Running a distillation with reference fluids is necessary to check the calibration status of the temperature measurement system in an automatic distillation unit.


Distillation tests are used to characterize the volatility of petrochemical products. These volatility characteristics are a critical measurement of the overall performance and safety of hydrocarbon-based fuels.

Anton Paar’s distillation unit Diana 700 is the most convenient solution for performing high-precision atmospheric distillation tests on petrochemical products. Sophisticated temperature measurement and volume detection make sure that the results are highly accurate.

According to ASTM D86 the verification of the temperature measuring device for group 1 distillations is carried out with toluene and for group 4 distillations with n-hexadecane (cetane). The 50 % barometric pressure-corrected, recovered temperature is compared with the nominal values specified in this standard method.

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