Abstract
Gas chromatography–mass spectrometry has been used to identify long-chain (C8–C18) N-1-alkyl-1,3-propanediamines after derivatization with trifluoroacetic anhydride. Electron impact ionization and negative chemical ionization mass spectra of trifluoroacetylated derivatives of the identified N-1-alkyl-1,3-propanediamines are presented for the first time. The corrosion inhibiting long-chain N-1-alkyl-1,3-propanediamines were applied in the preparation and investigation of a new anticorrosive and antifouling formulation for water–steam circuit of energy systems in the power industry. Using the GC–MS data, it was possible to identify residues of the N-1-alkyl-1,3-propanediamines in complex samples of boiler water from the power plant after solid-phase extraction and acylation.
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Acknowledgments
This work was done under the Eureka-research project E!2426 BOILTREAT: New technology for boiler water chemical treatment in the energy industry, 01.01.2001–29.08.2006 [5].
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Kusch, P., Knupp, G., Kozupa, M. et al. Identification and Structural Elucidation of Corrosion Inhibiting Long-Chain N-1-Alkyl-1,3-propanediamines by GC–MS. Chroma 70, 875–881 (2009). https://doi.org/10.1365/s10337-009-1210-0
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DOI: https://doi.org/10.1365/s10337-009-1210-0