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GPA - STD 2145

Table of Physical Constants for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry

inactive
Organization: GPA
Publication Date: 1 January 2007
Status: inactive
Page Count: 15
scope:

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The Table of Physical Constants for Hydrocarbons and Other Components of Interest to the Natural Gas Industry, GPA Publication Standard 2145 provides the gas processing industry with a convenient compilation of authoritative numerical values for the paraffin hydrocarbons and other compounds occurring in natural gas and natural gas liquids as well as for a few other compounds of interest to the industry. The physical properties selected are those considered most valuable for engineering and analytical computations in gas processing plants and laboratories. The properties are based upon the TRC Thermodynamic Tables - Hydrocarbons and NIST Standard Reference Databases 10 (NIST/ASME Steam Properties) and 23 (REFPROP). The data in this publication have been checked, evaluated and recalculated when necessary by the Thermodynamics Research Center (TRC) at NIST in Boulder, Colorado.

Some of the numbers in the tables result from other numbers in the tables by simple calculation; the final results are as internally consistent as is reasonably possible. Values obtained from such related data may differ from the tabulated values in the last digit because of numerical round off, but the differences are beyond the accuracy of the data (see the comment at the bottom of pages 3 and 9). Each of the values in the Standard result from a preferred method of calculation. The value of the gas constant used in the tables is 8.314472 joules per mole per Kelvin. Numbers in bold face are different from the previous edition of 2145.

The values of the physical properties for the components in GPA 2145, as well as those for many more compounds, appear in the GPSA Engineering Data Book. The Eleventh Edition, which became available in 1998, has the same values as GPA Publication Standard 2145-96. Values in subsequent annual publications of GPA 2145 may not agree exactly with those in the Data Book because it is not revised yearly. When revision dates coincide, the values in the two tables are identical.

Document History

January 1, 2016
Table of Physical Properties for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry
A description is not available for this item.
January 1, 2009
Table of Physical Properties for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry
FOREWORD The Table of Physical Properties for Hydrocarbons and Other Components of Interest to the Natural Gas Industry, GPA Publication Standard 2145, provides the gas processing industry with a...
STD 2145
January 1, 2007
Table of Physical Constants for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry
FORWARD The Table of Physical Constants for Hydrocarbons and Other Components of Interest to the Natural Gas Industry, GPA Publication Standard 2145 provides the gas processing industry with a...
January 1, 2003
Table of Physical Constants for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry
The Table of Physical Constants for Hydrocarbons and Other Components of Interest to the Natural Gas Industry, GPA Publication Standard 2145 provides the gas processing industry with a convenient...
January 1, 2000
Table of Physical Constants for Hydrocarbons and Other Compounds of Interest to the Natural Gas Industry
A description is not available for this item.
January 1, 1996
Table of Physical Constants of Paraffin Hydrocarbons and Other Components of Natural Gas
A description is not available for this item.

References

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