| 释义 |
Definition of ligroin in English: ligroinnoun ˈlɪɡrəʊɪnˈliɡrōwən mass nounChemistry A volatile hydrocarbon mixture obtained from petroleum, used as a solvent. Example sentencesExamples - Among other non-hydrophilic organic solvents mentioned above, benzene and ligroin prove to be particularly desirable for practical use.
- Ligroin is a common solvent used in reactions which consist mostly of mixed hexanes.
- When nothing is known about the mixture being separated, the column is prepared in ligroin or hexane, the least polar of the eluting solvents.
- Measure 3 ml of a 3% aqueous solution of bromine into each of three test tubes and add 1 ml portions of purified ligroin to two of the tubes and 1 ml of cyclohexene to the third.
- The crude crystals are recrystallized from a mixture of toluene and ligroin by use of decolorizing charcoal.
Origin Late 19th century: of unknown origin. Definition of ligroin in US English: ligroinnounˈliɡrōwən Chemistry A volatile hydrocarbon mixture obtained from petroleum, used as a solvent. Example sentencesExamples - The crude crystals are recrystallized from a mixture of toluene and ligroin by use of decolorizing charcoal.
- Among other non-hydrophilic organic solvents mentioned above, benzene and ligroin prove to be particularly desirable for practical use.
- Measure 3 ml of a 3% aqueous solution of bromine into each of three test tubes and add 1 ml portions of purified ligroin to two of the tubes and 1 ml of cyclohexene to the third.
- Ligroin is a common solvent used in reactions which consist mostly of mixed hexanes.
- When nothing is known about the mixture being separated, the column is prepared in ligroin or hexane, the least polar of the eluting solvents.
Origin Late 19th century: of unknown origin. |