Eluent
| Also Known As | Eluant; mobile phase; carrier solvent; developing solvent; chromatographic mobile phase |
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What is Eluent?
An eluent (also spelled eluant) is the solvent or mobile phase used in chromatography to carry solutes through the stationary phase and cause their separation. The choice of eluent determines the selectivity of the separation. In liquid chromatography (HPLC), the eluent is a liquid; in gas chromatography, it is a carrier gas (nitrogen, helium). Eluents are described by their polarity and strength.
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
An eluent (also spelled eluant) is the solvent or mobile phase used in chromatography to carry solutes through the stationary phase and cause their separation. The choice of eluent determines the selectivity of the separation. In liquid chromatography (HPLC), the eluent is a liquid; in gas chromatography, it is a carrier gas (nitrogen, helium). Eluents are described by their polarity and strength.
Column chromatography and TLC in organic synthesis; HPLC for pharmaceutical analysis and quality control; gas chromatography in environmental and food analysis; ion chromatography; size exclusion chromatography; purification of reaction products
Organic solvents used as eluents (hexane, ethyl acetate, methanol, acetonitrile, DCM) are flammable, toxic, or harmful. Use in ventilated areas; avoid inhalation. Halogenated solvents (DCM) are potential carcinogens. Follow COSHH/SDS guidelines.