AVALIACAO DA EFICIENCIA DAS TECNICAS ESI-MS E ATRIFTIR NA DETERMINACAO DE ADULTERACAO DE BX COM QUEROSENE E OLEO RESIDUAL

摘要

Direct infusion electrospray ionization mass spectrometry in the negative ion mode, ESI(-)-MS and Fourier transform infrared spectroscopy (FTIR) were used together with partial least squares (PLS) as a tool to determine B3 adulteration (B3 - mixture of 3% v/v of biodiesel in diesel) with kerosene and residual oil.