Separation and characterisation of products of the reaction between propionamide and formaldehyde
作者： F. C. Normand , D. M. Goodall , S. B. Duckett , M. F. H. van-Tol
DOI: 10.1007/BF02491664
关键词:
摘要: Propionamide-formaldehyde reaction products have been characterised using micellar electrokinetic chromatography (MEKC), HPLC-electrospray-MS (HPLC-ES-MS) and time-of-flight-MS (TOF-MS). HPLC-MS-MS was used to distinguish between isomeric species. The MEKC separation of all obtained with good resolution efficiency. Comparison water-micelle distribution constants (PMEKC) for propionamide-formaldehyde those caprolactam-formaldehyde suggests that the concentration sodium dodecyl sulfate appropriate use in is inversely related toPMEKC. Quantification species containing one or two amide units achieved standard calibration, mass balance assumption identical absorption coefficients same functional groups monomers dimers.
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