IP 432: Liquefied petroleum gases- calculation method for density and vapour pressure

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  • Method adopted/last revised: 2000
  • Method reapproved: 2017
  • REF/ISBN: IP432-2939444
  • Status: New
  • First printed in STM books: February 2000


This International Standard describes a simplified method for the calculation of density and vapour pressure of liquefied petroleum gases (LPG) based on compositional data and density and vapour pressure factors for individual LPG components. A list of factors is provided in this International Standard. This method is intended for application in specifications of product quality and is not intended for application to quantity measurement in custody transfer (see IS0 6578).

(Includes an additional informative note)

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