Column, Paper, and Thin-Layer Chromatography

Lee, Milton L.

doi:10.1016/b978-0-12-440840-1.50008-4

Analytical Chemistry of Polycyclic Aromatic Compounds 1981

DOI: 10.1016/b978-0-12-440840-1.50008-4

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Column, Paper, and Thin-Layer Chromatography

Milton L. Lee

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Cited by 2 publications

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Characterisation of pitch by HPLC

et al. 1998

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SummaryA new high performance liquid chromatography method for the characterisation of toluene-soluble fractions of pitches has been developed. Although a chromatographic system typical of size exclusion chromatography was used, results indicate that, for these structurally complex samples, separation does not follow the usual discrimination by molecular size. A differentiation between several classes of polyaromatic hydrocarbons is achieved instead. Data are reported on the analysis of individual standard polyaromatic hydrocarbons, showing that four different elution ranges can be observed: three of cata-condensed compounds (Catal, Cata2 and Cata3) and one of peri-condensed compounds (Peri). Results are reported proving the capacity of this high performance liquid chromatography method to distinguish between pitches of different origin and nature. It is also effective for the study of the chemical reactions occurring during heat treatment.

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Characterisation of pitch by HPLC

et al. 1998

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Preserving toxicologic activity during chromatographic fractionation of bioactive complex mixtures

Lafleur¹,

Braun²,

Monchamp³

et al. 1986

Anal. Chem.

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Four types of chromatographic materials were evaluated for degree of recovery of mutagenlc components during column chromatography. Materlals tested were silica, alumina, Fiorlsll, and cyanopropyl-bonded silica. A combustlon-generated complex Fixture that vas highly characlerlred and known to contaln mutagenlc components was used gs the reference sample. The cyanopropyl materlal was found to be the most efflclent material far mutagen recovery and alumlna proved to be the least efficlent.

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Column, Paper, and Thin-Layer Chromatography

Cited by 2 publications

References 124 publications

Characterisation of pitch by HPLC

Characterisation of pitch by HPLC

Preserving toxicologic activity during chromatographic fractionation of bioactive complex mixtures

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