IP 249: Determination of density - Bingham pyknometer method

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  • Method adopted/last revised: 1979
  • Method reapproved: 2004
  • REF/ISBN: IP249-2934869
  • Status: Current
  • First printed in STM books: January 1979

Scope

This method is intended for the measurement of the density of pure hydrocarbons or petroleum distillates boiling between 90 and 110 °C but can be extended to similar materials outside this boiling range that can be handled in a normal fashion as a liquid at the standard test temperatures of 15 °C, 20 °C and 25 °C. The method was developed especially for the reference fuels n-heptane and isooctane and is designed to provide values having an accuracy of 0,00003 g/ml.

NOTE 1: Other methods for the determination of density or relative density arc listed in the table in Section 1 (Scope) of IP 59.

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