O V Dracheva

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High-performance liquid chromatography (HPLC) was used for vitamin A assay in foods and raw materials. Metrological characteristics of this method have been estimated: relative standard deviation was 0.06-0.08, average recovery of vitamin A was 97.3 +/- 2.6 with n = 6, P = 0.95). The statistical analysis of the results obtained with HPLC has shown that it(More)
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