sample solvents used were as follows : n-hexane , cyclohexane , benzene , toluene , m-xylene , styrene , 1.1.1-trichloroethane , dichloromethane , tetrachloroethylene , ethylacetate , acetone , methyl-ethylketone , methylisobutylketone , methanol , ethanol , n-propanol , and n-butanol .
C0001963
methanol
C0001962
ethanol