preconcentration

analytical procedure to increase the concentration of analytes in the analytical solution in comparison with that present in the original sample. The techniques used include cryofocussing, gas-solid extraction, solid-phase extraction (SPE), solid-phase microextrraction (SPME), solvent extraction and evaporation.



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

Ultratrace determination of methylmercury in seawater using automated GC-AFS | EVISA's News
Mercury isotope ratio measurements of methylmercury in fish | EVISA's News
Determination of arsenic species in water by means of capillary electrophoresis coupled to electrospray mass spectrometry | EVISA's News
Instrument database: PerkinElmer Inc. - TurboMatrix Automated Headspace Samplers HS-110/HS-16/HS-40
ICFIA 2011: 17th International Conference on Flow Injection Analysis | EVISA's Agenda of Events
Determination of gadolinium-based MRI contrast agents in fresh and oceanic waters of Australia | EVISA's News
Analytical Forum 2004 | EVISA's Agenda of Events
Determination of arsenic species in water by means of capillary electrophoresis coupled to electrospray mass spectrometry | EVISA's News
Directory of scientists: Dimiter L. Tsalev
Occurrence of monoethylmercury in the Florida Everglades verified | EVISA's News
Determination of methylmercury complexes with low molecular mass thiols | EVISA's News
Directory of scientists: Ralph Edward Sturgeon
Non-chromatographic separation techniques for speciation analysis | EVISA's News
Instrument database: Tekran Instruments Corporation - Series 2600 Mercury Analysis System
Journals database: Microchimica Acta
Directory of scientists: Maciej Jarosz
5th Black Sea Basin Conference on Analytical Chemistry | EVISA's Agenda of Events
Chromium speciation by magnetic solid phase extraction on-line with inductively coupled plasma optical emission spectrometry | EVISA's News
Instrument database: Mercury Instruments GmbH - UT-3000 Mercury Ultratracer
Tellurium Speciation Analysis of Soil Samples Taken from an Area Associated with the Storage, Processing, and Recovery of Electrowaste | EVISA's News