|WTT User's Guide|
WTT - Professional Edition is a collection of critically evaluated thermodynamic property data for pure organic compounds. WTT - Lite Edition is a subset of these recommendations and includes property values for 150 common compounds. While the present implementation of these archives is generated with the dynamic data evaluation methodology, past editions were tabulations of static evaluations by individuals and teams of experts. For information on the older editions users are directed to the older hard-copy publications:
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The TRC Group is part of the Thermophysical Properties Division in NIST's Material Measurement Laboratory
The National Institute of Standards and Technology is an agency of the U.S. Department of Commerce