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The chromatographic examination of permissible food dyes

✍ Scribed by J.R.A. Anderson; E.C. Martin

Publisher
Elsevier Science
Year
1953
Tongue
English
Weight
522 KB
Volume
8
Category
Article
ISSN
0003-2670

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✦ Synopsis

PERMISSIBLE

FOOD DSES

531

The X, values obtained from aqueous dye solutions with various developing reagents are shown in Table II. In calculating these values, the distance travelled by the spot was measured from the base line to the point of maximum color intensity of the spot. The numbers assigned to the dyestuffs examined arc those given in Rowe's Colour Index'. I'Al3LE II 1t~ VALUES GIVEN \C'ITIl VhlZlOUS I~EVI~LOl'lXG Rl'r\GJ:S'TS ON AQUEOUS DYJS SOLU'I'IOhS --.

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## Abstract The retention behavior of some food synthetic dyes has been studied by RP‐HPLC on chemically bonded C18, C8, C16 and CN stationary phases. Using methanol‐ammonium acetate (0.08 mol/L, pH=6.76) as mobile phase, a linear behavior of retention parameters throughout the methanol fraction va