The following links are helpful for identifying likely sources for physical and chemical data properties.
National Institute of Standards and Technology (NIST)
NIST Reference on Constants, Units and Uncertainty (National Institute of Standards)
CRC Handbook of Chemistry and Physics (web edition, limited to University of Chicago users)
Contains chemical data, laboratory data, basic constants, units and conversion factors; general health and safety information; and mathematical tables.
Landolt-Bornstein (Numerical Data and Functional Relationships in Science and Technology)
Jennifer Hart
Librarian for Computer Science, Mathematics, Physics and Statistics
Ryerson Physical Laboratory 156
773-702-7569
Email Jenny