AOAC STANDARDS & METHODS ORIENTATION E-BOOK

9/10/2019

Reproducibility

• Also known as inter-laboratory variation or precision.

• Measured as: – Relative Standard Deviation Reproducibility – RSDR or RSD R or “RSD big R”

Predicted RSDR or PRSD(R)

• PRSD(R) = 2C -0.15 • where C is expressed as a mass fraction.

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