Quantitative determination of fatty esters of 3-phenylamine- 1,2-propanediol by absorption spectrophotometry
DOI:
https://doi.org/10.3989/gya.1991.v42.i4.1234Keywords:
Absorption spectrophotometry, Fatty ester of 3-phenylamine-1, 2-propanediol (analysis), 3-Phenylamine-1, 2- propanediolAbstract
An analytical method for quantitative determination of fatty ester of 3-phenylamine-1,2-propanediol has been developed. The procedure is based on the spectrophotometric determination of coloured compounds formed by reaction of acylderivatives with p-DMACA. Monoacylderlvative is quantified at 500 nm and diacylderivative at 510 nm, with range of ±0,031 and ±0,020 absorbance units, respectively. The essential application of this method is to obtain the yield of synthesis reaction of acylderivatives of 3-phenylamine- 1,2-propanediol. However, an isolation of every one products by thin layer chromatography is necessary before analytical technical application. Moreover, this procedure supply a way for analysis of similar structure compounds.
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