AOAC STANDARDS & METHODS ORIENTATION E-BOOK

9/10/2019

SMPR Guideline

Annex B:  Classification of Methods Annex C:  Understanding the POD Model Annex D:  Definitions and Calculations of HorRat Values from  Intralaboratory Data Annex E:  AOAC Method Accuracy Review  Annex F:   Development and Use of In‐House Reference  Materials

Table 5: Expected Recovery as a Function of Analyte Concentration

Mean Recovery (%)

Analyte %

Analyte Ratio

Unit

100

1

100%

98-102 98-102 97-103 95-105 90-107 80-110 80-110 80-110 60-115 40-120

10

10 -1 10 -2 10 -3 10 -4 10 -5 10 -6 10 -7 10 -8 10 -9

10%

1

1%

0.01

0.1%

0.001

100 ppm

0.0001

10 ppm

0.00001

1 ppm

0.000001

100 ppb

0.0000001

10 ppb

0.00000001

1 ppb

43