process of classification of an analyte or a group of analytes from a certain sample according to physical (e.g., size, solubility) or chemical (e.g., bonding, reactivity) properties

The term "fractionation" was found in the following pages:

EVISA Brief Summary: Terminology used in the field of speciation analysis
Tracking down the source of human exposure to mercury by analyzing human hair | EVISA's News
HPLC 2008: 32th International Symposium on High Performance Liquid Phase Separations | EVISA's Agenda of Events
Scientific publications with participation of EVISA | EVISA's News
8th International Conference on the Biogeochemistry of Trace Elements (ICOBTE) | EVISA's Agenda of Events
Mercury isotope ratio measurements of methylmercury in fish | EVISA's News
ICP-MS Analysis Suggests Metal-Binding Proteins Significantly More Abundant Than Thought | EVISA's News
Use of organoarsenicals as pesticides may lead to contamination of soils and groundwater with toxic arsenic species | EVISA's News
ESI-MS: The tool for the identification of chemical species | EVISA's News
Solid-phase extraction in speciation analysis | EVISA's News
2010 Winter Conference on Plasma Spectrochemistry | EVISA's Agenda of Events
Directory of scientists: Chuni L. Chakrabarti
Special issue on "Advances in speciation techniques and methodology" available | EVISA's News
Instrument database: CETAC Technologies - LSX-500 Laser Ablation System
Instrument database: New Wave Research, Inc. - UP193-FX - 193-nm Fast Excimer Laser Ablation System
Dietary mercury exposure: Mercury isotopes can tell the source | EVISA's News
Tracing the source of mercury pollution | EVISA's News
Instrument database: Coherent - GeoLasPro UV excimer system for LA-ICP-MS
CE-ICP-MS for speciation analysis | EVISA's News
Fractionation as a first step towards speciation analysis | EVISA's News