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J. Braz. Chem. Soc. vol.19 número5

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Figure 1. Emission intensities signals for Na and K employing different  sampling volumes
Table 1. Figures of merit for the determination of Na and K in biodiesel  by FAES with discrete aspiration introduction (DA) or with continuous  aspiration (CA) CA DA Na K Na K Slope* 0.3617 0.5305 1.2147 0.7465 R 2 0.9992 0.9997 0.9990 0.9994 LOD ( g g -1
Table 4. Measured concentrations of K ( g g -1 , n=3) in the biodiesel samples, after adding 1 and 5  g g -1 , by FAES with discrete aspiration introduction  (DA) or with continuous aspiration (CA) and the recovery ranges

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