AOAC CASP Meeting - MYM 2020

Method Performance Requirements

Required Analytes: • Arsenic • Cadmium • Mercury • Lead

Table 1: (optional) • Antimony • Barium • Chromium • Copper

• Nickel • Silver • Zinc

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Method Performance Requirements

Limit of Quantitation (LOQ)

≤ 10 ppb ( μ g/kg)

Reproducibility (RSD R )

Repeatability (RSD r )

Range

Recovery

>100 ppb to 1 ppm ≥ 10 ppb to 100 ppb > 1 ppm to 10 ppm

15% 11% 7.3%

32% 16%

60% - 115% 80% - 115% 80% - 115%

8%

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