AOAC SPSFAM March 16 2015 eBook

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Table 3: Method performance requirements

Minimum acceptance criteria

Parameter

Analytical range

10 ppb

1 ppm*

–

Limit of quantitation (LOQ)

< 10 ppb*

10 – 100 ppb

60 – 115 %

Recovery

≥ 100 ppb – 10 ppm

80 – 110 %

≤ 10 – 50 ppb

≤20 %

Repeatability (RSDr)

≥ 50 – 300 ppb

≤13 %

≥ 300ppb – 1 ppm

≤12 %

≤ 10 – 50 ppb

≤30 %

Reproducibility (RSDR)

≥ 50 – 300 ppb

≤20 %

≥ 300 ppb – 1 ppm

≤18 %

* Arsenic (As) species and/or total inorganic arsenic in selected food and beverage matrixes.

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