	Extraction column	Typical sample matrix	Typical sample analytes	Typical elution solvent
Non-polar extraction	LiChrolut® RP-18 LiChrolut® RP-18e (endcapped) LiChrolut® CN	Aqueous buffer solution	Aqueous buffer solution, aromatic ring systems, compounds with alkyl chains, aromatic ring systems	Acetonitrile, methanol, ethyl acetate
Polar extraction	LiChrolut® Si LiChrolut® CN	Hexane, oils, chlorinated hydrocarbons	Hydroxyl groups, amines, compounds with hetero atoms (S,N,O)	Methanol, 2-propanol
Cation exchange extraction	LiChrolut® SCX (strong)	Methanolic/aqueous buffer with low ionic strength; 2 pH units under pK value of the sample analyte	Cations: amines, pyrimidines	Aqueous buffer of high ionic strength (0.1 mol/l); 2 pH units over pK value of the sample analyte
Mixed mode extraction	LiChrolut® TSC	Body fluids**	Cationic and neutral analytes	Chloroform-acetone, ammoniated ethyl acetate or ammoniated methanol
Anion exchange extraction	LiChrolut® SAX (strong)	Methanolic/aqueous buffer with low ionic strength; 2 pH units under pK value of the sample analyte	Anions: carboxylic acids, sulfonic acids, phosphates	Aqueous buffer of high ionic strength (0.1 mol/l); 2 pH units over pK value of the sample analyte
Non-polar extraction on a polymer phase	LiChrolut® EN	Drinking, ground and surface water	Polar contaminants, e.g. pesticides, phenols, explosives, anilines	Ethyl acetate, methanol, acetonitrile: methanol (1:1)
Non-polar extraction on a polymer phase	LiChrolut® EN	Body fluids**	APIs (active pharmaceutical ingredients)	Acetonitrile, methanol
Medium polar extraction of environmental pollutants	Florisil®	Waste / ground / drinking water, soil samples	Herbicides, pesticides, PCBs, PCPs, dioxins, phenols, nitro compounds, HCHs	n-Hexane, dichloromethane

**These products are not intended for use as in-vitro diagnostics in terms of European Directive 98/79/EC. They are for research purposes only, for investigating in-vitro samples derived from the human body without any medical objective.