The removal of a soluble material from a solid mixture by means of a solvent or the removal of one or more components from a liquid mixture by use of a solvent with which the liquid is immiscible or nearly so.

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

Mercury contaminated freshwater fish from the NE United States: Where comes the mercury from ? | EVISA's News
New sensitive method for chromium speciation analysis: No hexavalent chromium in dairy and cereal products | EVISA's News
Arsenic species in the Most Consumed Seafoods in the USA | EVISA's News
Journals database: American Journal of Orthodontics and Dentofacial Orthopedics
Occurrence of monoethylmercury in the Florida Everglades verified | EVISA's News
Journals database: Applied Radiation and Isotopes
Certified reference materials for arsenic species in biological materials | EVISA's News
Multielement speciation analysis | EVISA's News
Mercury "speciation analysis" by using thermal desorption analysis | EVISA's News
Journals database: Microchimica Acta
Fractionation as a first step towards speciation analysis | EVISA's News
High Accumulation of Selenium in Wheat Grains | EVISA's News
Hexavalent chromium found in bread | EVISA's News
Instrument database: LUMEX Ltd. - MINOTAVR® microwave digestion system
Instrument database: Agilent Technologies Inc. - 6890 N GC
Journals database: Journal of Liquid Chromatography and Related Technologies
Instrument database: Agilent Technologies Inc. - 7500a ICP-MS
Gel electrophoresis combined with laser ablation inductively coupled plasma mass spectrometry for speciation analysis | EVISA's News
Standard methods for chromium speciation analysis | EVISA's News
Chemical Speciation Modeling | EVISA's News