An App for Calculation of Relative Density of Liquefied Petroleum (LP) Gases from Compositional Analysis based on D2598

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The App is based on ASTM D2598 standard.


This Apps covers, by compositional analysis, the approximate determination of Relative Density at 15.6C (60F) of commercial propane, special-duty propane, commercial propane/butane mixtures, and commercial butane as per ASTM D2598 - Standard Practice for Calculation of Certain Physical Properties of Liquefied petroleum (LP) Gases from Compositional Analysis.

Apps developed on other Petroleum Calculations - see here.

The composition of sample of LPG is obtained by using test method D2163 or other acceptable method. From the analysis (expressed in liquid volume percent) the Relative Density at 15.6C (60F) of the sample may be determined. 

 Steps : 
a) Enter the Volume % of individual components of Gas.  Ensure total % of all the gases is 100.
b) Read below in last cell - Relative Density at 15.6C (60F) of the sample.
Relative Density @ 15.6 C of LPG


Conversion of a compositional analysis from mole, gas volume or weight basis to liquid volume can be obtained by using ASTM D2421 or other suitable method.

Relative density, while not a specification is necessary for determination of filling densities and custody transfer.

LPG App for Relative Density as seen in Laptop/PC

Report the relative Density  value calculated after rounding to the nearest 3rd decimal at 37.8 C of the sample. Being relative, this is without any units.

 Other Apps based on ASTM D2598 given below:

 An Apps for Calculation of Vapor pressure of Liquefied Petroleum (LP) Gases from Compositional Analysis based on ASTM D2598.

An Apps for Calculation of Relative Density of Liquefied Petroleum (LP) Gases from Compositional Analysis based on ASTM D2598.


 You can obtain this app by writing to rjpatelioc2014@gmail.com.

Author's Profile clik here.                          
List of all blog articles on Petroleum QC  by RJ Patel.
 rjpatelioc2014@gmail.com

Follow me on twitter @RJPatel13 to get notification when my new post is available in my blog.

Keywords – propane, butane,  physical properties, liquified petroleum gases,  LPG, vapor pressure.

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