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Figure 1 | Nutrition Journal

Figure 1

From: Chemical stability study of vitamins thiamine, riboflavin, pyridoxine and ascorbic acid in parenteral nutrition for neonatal use

Figure 1

Specificity of the vitamin B 1 and B 6 assay. Chromatograms of PN placebo (A and D), spiked with the B1 and B6 (B and E) and PN containing the multivitamin (C and F) obtained by HPLC at wavelength of 250 and 295 nm, respectively, using column of reverse phase C18 and a mixture of methanol:water (27:73, v/v) and sodium hexano sulfonate 1,4%, pH 3.0 as mobile phase (n = 3).

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