AOAC Final Action Methods in 2017

P ACQUETTE & T HOMPSON : J OURNAL OF AOAC I NTERNATIONAL V OL . 101, N O . 2, 2018 545

Parameter 1 a 2 b 3 c 4 d 5 e 6 f 7 g 8 h 9 i 10 j 11 k 12 l 13 m 14 n 15 o 16 p 17 q 18 r RSD R 2.9 4.6 5.8 4.0 4.5 4.6 2.4 4.4 2.5 3.9 4.7 2.0 2.8 2.7 2.4 4.4 4.2 1.9 Repeatability limit r (r = 2.8 × s r ) 0.65 2.31 0.16 0.94 0.06 0.10 0.31 0.19 0.24 0.24 0.20 0.23 0.20 0.32 0.25 0.19 0.12 0.18 Reproducibility limit R (R = 2.8 × s R ) 1.08 4.90 0.33 3.69 0.22 0.25 0.64 0.70 0.37 0.57 0.59 0.38 0.37 0.40 0.56 0.77 0.41 0.33 HorRat value 0.38 0.70 0.57 0.60 0.43 0.45 0.30 0.50 0.28 0.44 0.52 0.24 0.31 0.31 0.30 0.51 0.45 0.22 Repeatability limit SMPR 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Reproducibility limit SMPR 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Manganese Year of interlab test 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 No. of labs submitting results 10 10 10 10 10 10 10 8 10 10 10 10 10 10 10 10 10 10 No. of outliers (individual replicates) 0 0 0 1 0 1 0 4 0 0 0 0 0 0 0 0 3 2 No. of accepted results 20 20 20 19 20 19 20 12 20 20 20 20 20 20 20 20 17 18 RSD R 3.7 13.9 s 6.2 4.3 4.2 6.0 3.9 3.3 2.5 3.7 2.8 2.4 3.5 5.4 2.5 4.0 19.1 s 1.8

Overall mean of all data (grand mean) t 0.158 0.349 0.00827 0.411 0.00627 0.00372 0.165 0.00919 0.0517 0.00381 0.0132 0.0241 0.0125 0.00612 0.0349 0.0118 0.00086 0.0858 S r 0.00491 0.01954 0.00044 0.00863 0.00017 0.00011 0.00147 0.00012 0.00074 0.00008 0.00023 0.00045 0.00026 0.00015 0.00040 0.00024 0.00009 0.00060 S R 0.00577 0.04851 0.00051 0.01751 0.00026 0.00022 0.00637 0.00030 0.00128 0.00014 0.00037 0.00059 0.00044 0.00033 0.00087 0.00047 0.00016 0.00157 RSD r 3.1 5.6 s 5.3 s 2.1 2.7 3.0 0.9 1.3 1.4 2.1 1.7 1.9 2.1 2.4 1.2 2.1 10.9 s 0.7 Repeatability limit r (r = 2.8 × s r ) 0.01376 0.05472 0.00122 0.02417 0.00047 0.00031 0.00411 0.00033 0.00208 0.00022 0.00063 0.00126 0.00073 0.00041 0.00112 0.00068 0.00026 0.00168 Reproducibility limit R (R = 2.8 × s R ) 0.01615 0.13583 0.00142 0.04902 0.00073 0.00062 0.01783 0.00085 0.00358 0.00040 0.00105 0.00164 0.00122 0.00093 0.00242 0.00131 0.00046 0.00440 HorRat value 0.24 1.05 0.26 0.33 0.17 0.23 0.26 0.14 0.14 0.14 0.13 0.12 0.16 0.22 0.13 0.18 0.58 0.11 Repeatability limit SMPR 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Reproducibility limit SMPR 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 16 10 Sodium u Year of interlab test 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 2016 No. of labs submitting results 10 10 10 10 10 10 10 8 10 10 9 10 10 10 10 10 10 10 No. of outliers (individual replicates) 0 0 0 0 0 0 0 4 0 0 3 0 0 0 0 0 0 1 No. of accepted results 20 20 20 20 20 20 20 12 20 20 15 20 20 20 20 20 20 19 Overall mean of all data (grand mean) t 24.8 138 139 102 103 4.87 18.7 20.7 27.4 27.1 17.4 27.2 16.2 15.8 25.7 18.1 12.1 29.3 S r 0.32 3.2 4.6 0.99 1.6 0.08 0.14 0.36 0.46 0.34 0.12 0.38 0.21 0.35 0.29 0.24 0.21 0.19 S R 1.0 6.9 5.2 4.8 3.8 0.32 0.60 0.70 0.78 0.98 0.46 0.66 0.61 0.52 0.68 0.64 0.58 0.54 RSD r 1.3 2.3 3.3 1.0 1.5 1.7 0.8 1.8 1.7 1.3 0.7 1.4 1.3 2.2 1.1 1.3 1.8 0.6 RSD R 4.2 5.0 3.8 4.7 3.7 6.6 3.2 3.4 2.9 3.6 2.6 2.4 3.8 3.3 2.7 3.6 4.8 1.8

Repeatability limit r (r = 2.8 × s r ) 0.90 9.00 12.96 2.77 4.38 0.24 0.39 1.02 1.30 0.96 0.34 1.05 0.58 0.98 0.81 0.68 0.59 0.53 Reproducibility limit R (R = 2.8 × s R ) 2.89 19.32 14.60 13.42 10.70 0.90 1.67 1.95 2.19 2.73 1.28 1.84 1.72 1.46 1.91 1.80 1.62 1.51 HorRat value 0.60 0.93 0.70 0.83 0.66 0.74 0.44 0.47 0.42 0.52 0.36 0.35 0.51 0.44 0.38 0.49 0.62 0.27 Repeatability limit SMPR 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 Reproducibility limit SMPR 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Downloaded from https://academic.oup.com/jaoac/article-abstract/101/2/536/5653941 by guest on 05 May 2020

Sample

Table 3. ( continued )