Gourt > Science > Instruments and Supplies > Isotopes > NMR Solvents
A solvent is a liquid that dissolves a solid, liquid, or gaseous solute, resulting in a solution. The most common solvent in everyday life is water. The term organic solvent refers to most other solvents that are organic compounds and contain carbon atoms. Solvents usually have a low boiling point and evaporate easily or can be removed by distillation, thereby leaving the dissolved substance behind. Solvents should therefore not react chemically with the dissolved compounds — they have to be inert. Solvents can also be used to extract soluble compounds from a mixture, the most common example is the brewing of coffee or tea with hot water. Solvents are usually clear and colorless liquids and most of them have a characteristic odor. The concentration of a solution is the amount of compound that is dissolved in a certain volume of solvent. The solubility is the maximal amount of compound that is soluble in a certain volume of solvent at a specified temperature.
Common uses for organic solvents are in dry cleaning (e.g. tetrachloroethylene), as paint thinners (e.g. toluene, turpentine), as nail polish removers and glue solvents (acetone, methyl acetate, ethyl acetate), in spot removers (e.g. hexane, petrol ether), in detergents (citrus terpenes), in perfumes (ethanol), and in chemical syntheses.
Polarity, solubility, and miscibility
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Great savings @sigmaaldrich ACN for HPLC, NMR & UV/Vis solvents, BioNMR products, ChiroSolv screening kits http://bit.ly/Gz0m7 Please RT
HPLCSessions (Wayne K. Way, Ph.D.) Sun, 30 Aug 2009 02:45:42 -0000
Great savings @sigmaaldrich ACN for HPLC, NMR & UV/Vis solvents, BioNMR products, ChiroSolv screening kits http://bit.ly/Gz0m7 Please RT
C/D/N ISOTOPES - Quite a large listing of deuterated compounds and Carbon-13 and Nitrogen-15 labelled compounds. In English or German or French.
Meta Description: [ stable, isotopes, isotope, labelled, compounds,
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standards, research, organic, alkanes, amino, acids, carbohydrates, fatty, triglycerides,
gases, medical, research, products, nucleic, acid, bases, nucleosides, pol... ]
Cambridge Isotope Laboratories - Manufacturer of stable isotope labeled compounds and some fine deuterated solvents too.
Meta Description: [ Cambridge Isotope Laboratories, Inc (CIL) is the world's premier producer of stable isotope labeled compounds and the world leader in the field of stable isotope separations. CIL has the most complete product offering of stable isotope labeled compounds available. ]
Isotec - Makes some of the most unique and novel labeled compounds
Meta Description: [ Error 404 ]
Medical Isotopes, Inc. - Nearly a complete line of enriched biochemicals. Nice selection of fatty acids, enriched with C13.
Meta Description: [ Medical Isotopes, Inc. a premier manufacturer of stable isotope chemicals labeled with: Deuterium, C13, N15, O18 and metal isotopes. We specialize in custom synthesis with isotopes and non-labeled compounds. ]
NMR Shift Reagents - Supplier of NMR shift reagents.
Meta Description: [ We manufacture chiral NMR shift reagents ligands
FOD TMHD DPM ACAC TFAC HFAC TFC ]
Silantes GmbH - Stable isotope labeled biopolymers (H2, C13, N15)
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