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- W118112416 abstract "A technique for the determination of food dyes using reversed-phase thin-layer chromatography on octadecyl-modified silica is described. A solvent system containing 5.0% aqueous sodium sulphate solution enables good separation of the food dyes. Their separation is dependent on the pH of the solvent system, good separation among all dyes being obtained between pH 6.0 and 7.0. The determination of thirteen dyes can be achieved by a combination of methanol—acetonitrile—5.0% aqueous sodium sulphate solution (3:3:10) (solvent system A) and methanol—methyl ethyl ketone—5.0% aqueous sodium sulphate solution (1:1:1) (solvent system B). Solvent system A was used for the determination of Tartrazine, Amaranth, Indigo Carmine, New Coccine, Sunset Yellow FCF, Allura Red AC, Fast Green FCF and Brilliant Blue FCF and for the screening of Acid Red (R-106), Eosin (R-103), Erythrosin (R-3), Rose Bengale (R-105) and Phloxine (R-104). When the spots of R-3, R-103, R-104, R-105 and R-106 appear on the plate, their determination can be achieved by using solvent system B. Each calibration graph was linear between 0.2 and 1.0 μg." @default.
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- W118112416 date "1967-01-01" @default.
- W118112416 modified "2023-10-17" @default.
- W118112416 title "The use of polyamide in analyses of water soluble food dyes" @default.
- W118112416 cites W1968845204 @default.
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- W118112416 doi "https://doi.org/10.1016/s0021-9673(01)98920-4" @default.
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