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Analysis of chemical composition, parts of butanol by silica gel column chromatography, elution agent: chloroform - methanol gradient elution (9:1) isolated a compound

Chemical composition analysis of n-butanol fraction, by silica gel column chromatography, with Eluent: chloroform-methanol gradient Elution (9:1) isolation of a compound

The alignment butylacohol spot carries on the chemical composition analysis, after silica gel column chromatographic analysis, with eluent: The chloroform - methyl alcohol gradient elution (9:1) separates compound

Parts of n-butanol is a chemical element analysis, the silicone-chu-washed with detergent: chloroform-methanol-gradient (9:1) separation of the compounds a

Chemical composition analysis of n-butanol fraction, by silica gel column chromatography, with Eluent: chloroform-methanol gradient Elution (9:1) isolation of a compound