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. 2022 Oct 6;12(44):28545–28552. doi: 10.1039/d2ra03780g

Results for the determination of oxalic acid in real samples (n = 6).

Samples Found (mg g−1) Added (mg g−1) Total found (mg g−1) Recovery (%) RSD (%)
Tomato 1 1.316 4.000 5.222 97.65 0.34
1.000 2.369 105.3 0.29
Tomato 2 1.351 1.000 2.351 100.0 0.32
0.2500 1.613 104.8 0.14
Cherry tomato 1 1.633 0.7500 2.316 91.07 0.22
0.3333 1.971 101.4 0.16