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. 2020 Mar 4;10(16):9226–9233. doi: 10.1039/c9ra08481a

Comparison of As fractions obtained from UASE with that obtained by the CSE of FA/CRM (mg kg−1).

Fraction FA samples GBW08401
Conventional Ultrasound Average recovery Conventional Ultrasound Average recovery
Mean/SD Mean/SD Mean/SD Mean/SD
RSD RSD RSD RSD
F1 2.82 ± 0.32 2.32 ± 0.20 82.3% 4.55 ± 0.53 4.12 ± 0.52 90.5%
11.3% 8.6% 11.6% 12.6%
F2 9.04 ± 0.91 7.98 ± 0.82 88.3% 4.41 ± 0.52 4.77 ± 0.43 108%
10.1% 10.3% 11.8% 9.0%
F3 22.6 ± 1.36 20.6 ± 1.63 90.9% 3.43 ± 0.17 3.60 ± 0.25 105%
6.0% 7.9% 5.0% 6.9%
F4 0.83 ± 0.12 0.92 ± 0.11 111% 0.14 ± 0.03 0.16 ± 0.03 114%
14.5% 12.0% 21.4% 18.8%
F5 3.42 ± 0.35 3.86 ± 0.37 113% 1.86 ± 0.21 1.90 ± 0.24 102%
10.2% 9.6% 11.3% 12.6%
Total 38.72 35.64 92.1% 14.39 14.55 101%