THE use of extinction coefficients to characterize substances depends on the validity of Lambert–Beer's law. The following shows that a constant-extinction coefficient at zero concentration—which is ...

THE experimental determination of the relationship between the extinction coefficient and the particle size for spherical bodies having diameters less than about 50 microns is of considerable ...

All food products should be of high quality and purity, not only for consumer safety, but also to ensure product authenticity and label accuracy. This is especially significant for olive oils, which ...