Eluotrope series on alumina acc. Snyder

Sorted according to solvent elution strength on alumina (ε0).
L.R. Snyder in "High-Performance Liquid chromatography" C. Horvàth ed., Vol. 3, Academic Press, New York (1983)
Least polar
NameStructureε0
n-pentaneimage ofn-pentane0.00
n-hexaneimage ofn-hexane0.01
n-heptaneimage ofn-heptane0.01
cyclohexaneimage ofcyclohexane0.04
carbon disulfideimage ofcarbon disulfide0.15
carbon tetrachlorideimage ofcarbon tetrachloride0.18
isopropyl etherimage ofisopropyl ether0.28
2-chloropropaneimage of2-chloropropane0.29
tolueneimage oftoluene0.29
1-chloropropaneimage of1-chloropropane0.30
chlorobenzeneimage ofchlorobenzene0.30
benzeneimage ofbenzene0.32
bromoethaneimage ofbromoethane0.37
diethyl etherimage ofdiethyl ether0.38
chloroformimage ofchloroform0.40
dichloromethaneimage ofdichloromethane0.42
tetrahydrofuranimage oftetrahydrofuran0.45
1,2-dichloroethaneimage of1,2-dichloroethane0.49
ethyl methyl ketoneimage ofethyl methyl ketone0.51
acetoneimage ofacetone0.56
dioxaneimage ofdioxane0.56
ethyl acetateimage ofethyl acetate0.58
methyl acetateimage ofmethyl acetate0.60
1-pentanolimage of1-pentanol0.61
dimethyl sulfoxideimage ofdimethyl sulfoxide0.62
anilineimage ofaniline0.62
nitromethaneimage ofnitromethane0.64
acetonitrileimage ofacetonitrile0.65
pyridineimage ofpyridine0.71
2-propanolimage of2-propanol0.82
ethanolimage ofethanol0.88
methanolimage ofmethanol0.95
ethylene glycolimage ofethylene glycol1.11
acetic acidimage ofacetic acid>>1
Most polar