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Table 7 Results obtained for the reproducibility by ICP-OES

From: Validation and measurement uncertainty evaluation of the ICP-OES method for the multi-elemental determination of essential and nonessential elements from medicinal plants and their aqueous extracts

Element Average (μg L−1) sR(%) R(%)
Cd 107 9.8 27
Cr 98.5 10 28
Cu 101 12 34
Fe 94.8 14 39
Al 96.8 6.9 19
Mg 101 5.8 16
Pb 105 8.6 24
Mn 111 11 31
Ni 105 14 39
Zn 114 8.8 25
As 95.6 16 45
  1. sR, standard deviation of reproducibility; R, limit of reproducibility (sR × 2.8).