. . . "102963272"@en-us . "a vertical glass tube used in column chromatography; a mixture is poured in the top and washed through a stationary substance where components of the mixture are adsorbed selectively to form colored bands"@en-us . . "03074574-n"^^ . . . . . . "chromatography column"@en-us . . "103074574"^^ . . . "102474253"@en-us . . . . "0"^^ . . . . . . . . . . . . "0"^^ . . . . . . "column"@en-us . . . . . . . . . . "column"^^ . . . . .