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Characterization of lubricity improver additive in diesel by gas chromatography-mass spectrometry
Michelle J C Rezende1, Carlos R Perruso, Débora A de Azevedo
1Departamento de Química Orgânica, Instituto de Química, Universidade Federal do Rio de Janeiro, Centro de Tecnologia, Rio de Janeiro-RJ 21949-900, Brazil. michelle@iq.ufrj.br
Abstract:
The characterization of lubricity improver additives by GC-MS-SIM is an important tool for the development and monitoring of new formulations as well as for quality control of additives in diesel. A simple method for the quantification of a linoleic oil additive derivative in diesel has been developed. Calibration is performed by analysis of standard solutions containing 2-hydroxy-ethyl linoleate with pentadecanoyl propanoate as the internal standard. The proposed method permitted the quantification of the linoleate ester at a concentration of 300 microg/mL in the additived diesel. The recovery of additive and the repeatability of the quantitative results are evaluated.
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