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Table 6 Precision and recovery for the Sulfur Dioxide analyzed

From: Monitoring heavy metals, residual agricultural chemicals and sulfites in traditional herbal decoctions

Assigned Value (mg/kg)
Range for z ≤ 2
Found Recovery (%) Precision (CV%)
Mean ± SD (mg/kg)
453 (375–531)a 497.6 ± 3.2 109.8 0.6
  1. aMeat Reference Material (FAPAS T20100QC)