Abstract
FOR the determination of vitamin A by means of the reaction of Carr and Price, the blue colour of the mixture is estimated with the Lovibond tintometer. If analysed by the spectroscope, the blue mixture shows two absorption-bands at 572μμ and 610μμ respectively (Morton). The blue colour depends only on the intensity of the 610 band.
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EMMERIE, A., EEKELEN, M. & WOLFF, L. Vitamin A and the Antimony Chloride Reaction. Nature 128, 495–496 (1931). https://doi.org/10.1038/128495c0
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DOI: https://doi.org/10.1038/128495c0
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