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Abstract
cf. preceding abstr. Me resoln. of a mixt. of AcH, EtCHO, PrCHO, iso-PrCHO, BuCHO, iso-PrCH2CHO, EtMeCHCHO, andfurfural 2,4-dinitrophenylhydrazones was investigated. The completeness of their isolation from aq. EtOH by an adsorption and lution technique was examd. by comparing spot intensities with those of pure aldehyde hydrazones in a paper chromatogram.Whatman No. 3 paper was used with a cyclohexane solvent satd. with HCONMe2. Isolation was generally complete except for trans-furfural hydrazone.

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[ Last edited by ƽ·²µÄÊÀ½ç on 2008-3-3 at 23:53 ]

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Chromatographic identification of carbonyl compounds.  III.  Paper chromatographic resolution of aldehyde 2,4-dinitrophenylhydrazone mixtures.     Ronkainen, Pentti.    Res. Labs. State Alcohol Monopoly (Alko),  Helsinki,  Finland.    Journal of Chromatography  (1967),  27(2),  384-7. CAN 67:50147
5Â¥2008-03-06 12:38:25
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