Expressing Measurements and Chemical Systems for Physical Property Data

October 3, 2002

CODATA 2002 Conference

Example

•2002 Roux et al, Phys. Chem. Chem. Phys.

•DfHº methyl benzoate gas (kJ/mol):

1971 Hall et al -299.8

1980 Guthrie et al -269.3 ± 5.1

1994 Pedley -287.9 ± 2.4

1998 Maksimuk et al -277.74 ± 1.2

2002 Roux et al -276.1 ± 4.0