... )Still mostly nonpolar but with some polarity. Used to separate fatty acid methyl esters, alkaloids, drugs, and halogenated ... DB-210 and OV-210 More polar.Used to separate chlorinated aromatics nitroaromatics, and alkyl-substituted benzenesPolyethylene glycol( ... glycol functional group makes this phase considerably polar. Used to separate free acid, alcohols, ethers, essential oils, and glycolsPoly( ...