Samples Karl Fischer(% v/v, n = 3) MEC (% v/v)(% v/v, n = 4)
F1 5.1 ± 0.1 5.1 ± 0.1
F2 5.1 ± 0.1 5.2 ± 0.1
F3 5.0 ± 0.1 5.0 ± 0.2
Table 1: Fractions of H2O (ΦW) in ethanol fuel (F1-F2) determined by Karl Fischer and MEC with gas diffusion separation.