Chemicals | Viscosity and Density Measurement of Ionic Liquids/Solvent Mixtures
Ionic liquids are employed as powerful solvents, electrically conducting fluids and reaction media for chemical processes. By exact viscosity determination, essential information on their chemical structure, composition and purity can be gained. Due to its high chemical resistance and precise temperature control, the Lovis 2000 M/ME Microviscometer is perfectly suited for testing ionic liquids.
Ionic liquids (ILs) are salts that exist in a liquid state at and above room temperature. Ionic liquids consist of an cationic (positively charged) and anionic (negatively charged) part.
Particularly ionic liquids that are liquid at room (RTILs) combine a number of outstanding properties e.g.
- a wide liquid range with melting points around ambient temperature
- low flammability
- low volatility
- high thermal and electrochemical stability
These functions depend on the molecular structure of a liquid´s cations and anions. By exchanging the cations and anions, the physical and chemical properties can be influenced.
Ionic liquids are used in various applications, for example as electrolytes in electrochemistry, as solvents in catalytic and extraction processes or in chemical synthesis.
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