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[Determination of vitamin D3 in premixes and mixed feeds]
Die Nahrung
|January 1, 1977
Abstract:
The authors developed a two-dimensional thin-layer chromatographic method for the qualitative and quantitative determination of vitamin D3 in premixes and mixed feeds. The procedure permits to determine I.U. = 0.128 micrograms of vitamin D3. The method is illustrated by the description of the analyses of 3 premixes and 5 mixed feeds.