Reliable experimental data are always to be preferred over results obtained by estimation methods. A variety of tabulated data banks is now available although many of these banks are proprietary. A good example of a readily accessible data bank is provided by DIPPR, published by the American Institute of Chemical Engineers. A limited data bank is given at the end of this book. But all too often reliable data are not available.
The property data bank in Appendix A contains only substances with an evaluated experimental critical temperature. The contents of Appendix A were taken either from the tabulations of the Thermodynamics Research Center (TRC), College Station, TX, USA, or from other reliable sources as listed in Appendix A. Substances are tabulated in alphabetical-formula order. IUPAC names are listed, with some common names added, and Chemical Abstracts Registry numbers are indicated.
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