Process of classification of an analyte or a group of analytes from a sample according to physical (e.g., size, @S05740@) or chemical (e.g., bonding, reactivity) properties.
Source: PAC, 2004, 76, 1033. (Glossary of terms used in toxicokinetics (IUPAC Recommendations 2003)) on page 1052 [Terms] [Paper]