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- W2368339986 abstract "A simple and high sensitive method based on the derivatization of aliphatic amines with 2(9acridone)acetic acid (AAA)followed by high performance liquid chromatography(HPLC)with fluorescence detection and postcolumn mass spectrometric identification has been developed. The fluorescence excitation and emission wavelengthesof derivatives were set at λ_ ex =404and λ_ em=440 nm, respectively. Optimum derivatization,giving the corresponding stablefluorescent derivatives, was obtained by reacting of aliphatic amines with AAA at30 ℃ for 20 min in the presence of NethylN′(3dimethylamino propyl)carbodiimide hydrochloride (EDC) catalyst in acetonitrile. Separation of the derivatized amines with a good baseline resolution in conjunction with a gradient elution was achieved on a reversedphase Hypersil BDS C_ 18(4.6 mm×100 mm, 5μm)column. The identification of aliphatic aminederivatives was carriedout by postcolumn online mass spectrum with atmospheric pressure chemical ionization (APCI) source under positive ion modedetection.The establishedmethod exhibits excellentreproducibility and recovery. Excellent linear responsesareobserved with coefficients 0.999 6,detection limits (at signaltonoise of 3∶1) are12.09~ 25.52 fmol." @default.
- W2368339986 created "2016-06-24" @default.
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- W2368339986 date "2005-01-01" @default.
- W2368339986 modified "2023-09-26" @default.
- W2368339986 title "HPLC Determination of Aliphatic Amines with Fluorescence Detection and Mass Spectrum Identification" @default.
- W2368339986 hasPublicationYear "2005" @default.
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