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:

Multielement speciation analysis | EVISA's News
Gel electrophoresis combined with laser ablation inductively coupled plasma mass spectrometry for speciation analysis | EVISA's News
Simultaneous selenium and sulfur speciation analysis in cultured mushrooms (Pleurotus pulmonarius) | EVISA's News
Chromium speciation in solid matrices | EVISA's News
Simultaneous speciation analysis of inorganic arsenic and methylmercury in edible fish oil by high-performance liquid chromatography–inductively coupled plasma mass spectrometry | EVISA's News
Journals database: Microchimica Acta
Occurrence of monoethylmercury in the Florida Everglades verified | EVISA's News
Mercury 'speciation analysis' by using thermal desorption analysis | EVISA's News
Directory of scientists: Joseph A. Caruso
Fast speciation analysis of inorganic arsenic by using frontal chromatography for separation | EVISA's News
Instrument database: Dionex Corporation - Summit LC/MS System
Journals database: Hydrometallurgy
Speciation Analysis - Striving for Quality | EVISA's News
Instrument database: Australian Scientific Instruments Pty. Ltd. - Alphachron™
Mercury isotope ratio measurements of methylmercury in fish | EVISA's News
Journals database: American Journal of Orthodontics and Dentofacial Orthopedics
Journals database: Bioanalysis
Instrument database: Dionex Corporation - ASE 100 Accelerated Solvent Extraction System
Anthropogenic Mercury Releases Into the Atmosphere from Ancient to Modern Time | EVISA's News
Directory of scientists: Adrien Mestrot