Table 3
Recovery rate (%) and relative standard deviation (RSD%) of fusel oil solutions with different ethanol concentration

Fusel oils Recovery rate (%)
5% Ethanol 10% Ethanol 20% Ethanol Mean RSD%
1-Propanol 101.09±2.93 101.94±1.99 99.75±0.70 100.93±1.11 1.1
Iso-butanol 102.15±0.72 100.77±2.36 102.34±0.20 101.75±0.86 0.85
1-Butanol 99.45±0.88 99.36±1.19 100.92±1.05 99.91±0.88 0.88
2-Butanol 104.68±1.43 105.44±0.14 105.24±0.85 105.12±0.39 0.37
Iso-amyl alcohol 104.43±3.95 102.22±1.39 101.36±0.22 102.67±1.59 1.54
Active amyl alcohol 101.73±3.95 99.50±1.51 102.72±0.44 101.32±1.65 1.63