Colorimetric Determination of 1-(4′-Nitrophenyl)-2-aminopropane-1, 3-diol with 2,4,6-Trinitrobenzenesulfonic Acid in the Presence of Chloramphenicol
作者： P.G. Pietta , D. Agnellini , M. Pace
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摘要: A colorimetric method based on the interaction between chloramphenicol degradation product 1-(4′-nitrophenyl)-2-aminopropane-1,3-diol and 2,4,6-trinitrobenzenesulfonic acid reagent was developed. Analytical solutions were reacted with at pH 9.1 for 20 min room temperature, resulting color measured 340 nm. linear relationship absorbance concentration occurred within 5–25-μg/ml range under conditions studied. Replicate analyses in good agreement. An average recovery of 99.4 ±M 0.4% obtained synthetic mixtures.
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