AOAC Final Action Methods in 2017

P ACQUETTE & T HOMPSON : J OURNAL OF AOAC I NTERNATIONAL V OL . 101, N O . 2, 2018 543

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 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 10 10 10 10 10 10 10 10 9 10 10 No. of outliers (individual replicates) 1 0 0 1 0 0 0 4 0 0 0 0 0 0 0 2 0 0 No. of accepted results 19 20 20 19 20 20 20 16 20 20 20 20 20 20 20 16 20 20 Calcium

Repeatability limit r (r = 2.8 × s r ) 1.21 11.62 1.10 5.97 0.33 1.13 1.78 1.58 2.78 2.36 2.18 2.13 1.24 4.12 3.53 8.45 1.04 3.19 Reproducibility limit R (R = 2.8 × s R ) 3.94 31.99 1.76 12.59 1.08 4.61 4.18 4.87 7.15 5.33 5.28 5.81 3.52 7.54 8.31 8.45 3.39 6.27 HorRat value 0.62 3.42 0.58 0.79 0.62 0.72 0.49 0.61 0.63 0.51 0.65 0.5 0.52 0.76 0.68 0.92 0.60 0.57 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 Copper

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 9 9 9 8 10 10 10 10 10 10 10 10 10 10 No. of outliers (individual replicates) 0 0 1 0 2 2 2 4 0 0 0 0 0 0 0 1 2 1 No. of accepted results 20 20 19 20 16 16 16 12 20 20 20 20 20 20 20 19 18 19 Overall mean of all data (grand mean) t 0.0696 0.233 0.0087 0.1814 0.0101 0.0066 0.1082 0.0443 0.0821 0.0014 0.0564 0.0609 0.0471 0.0600 0.0658 0.0465 0.0025 0.0278 S r 0.0011 0.0055 0.0005 0.0029 0.0002 0.0003 0.0008 0.0005 0.0014 0.0002 0.0006 0.0007 0.0011 0.0006 0.0007 0.0005 0.0002 0.0003 S R 0.0034 0.0108 0.0010 0.0074 0.0004 0.0005 0.0056 0.0025 0.0056 0.0019 0.0039 0.0031 0.0028 0.0028 0.0034 0.0017 0.0004 0.0012 RSD r 1.6 2.4 5.4 s 1.6 2.2 3.9 0.8 1.2 1.7 11 s 1.1 1.1 2.3 0.9 1.0 1.2 9.2 s 0.9 RSD R 4.9 4.6 12 s 4.1 4.4 7.1 5.2 5.7 6.8 133 s 7.0 5.1 5.9 4.6 5.2 3.7 16 s 4.4 Repeatability limit r (r = 2.8 × s r ) 0.0031 0.0154 0.0013 0.0080 0.0006 0.0007 0.0023 0.0015 0.0040 0.0004 0.0018 0.0019 0.0030 0.0016 0.0019 0.0015 0.0006 0.0007 Reproducibility limit R (R = 2.8 × s R ) 0.0095 0.0302 0.0029 0.0206 0.0012 0.0013 0.0157 0.0071 0.0157 0.0052 0.0110 0.0087 0.0078 0.0078 0.0096 0.0048 0.0011 0.0034 HorRat value 0.29 0.33 0.51 0.28 0.19 0.30 0.33 0.32 0.41 4.4 0.40 0.30 0.33 0.27 0.31 0.21 0.56 0.23 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 16 10 10 10 10 10 10 10 10 Iron 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 9 10 10 10 10 8 9 8 10 9 10 9 10 10 10 10 9 10 No. of outliers (individual replicates) 2 0 1 0 0 5 2 4 0 3 0 2 2 0 0 0 3 0 No. of accepted results 16 20 19 20 20 11 16 12 20 15 20 16 18 20 20 20 15 20 Downloaded from https://academic.oup.com/jaoac/article-abstract/101/2/536/5653941 by guest on 05 May 2020

Overall mean of all data (grand mean) t 34.2 53.9 14.4 96.5 7.45 34.2 48.2 43.3 67.9 61.9 45.5 69.2 36.8 57.7 73.8 52.6 29.6 65.5 S r 0.43 4.15 0.39 2.13 0.12 0.40 0.64 0.56 0.99 0.84 0.78 0.76 0.44 1.47 1.26 3.02 0.37 1.14 S R 1.4 11.4 0.6 4.5 0.4 1.6 1.5 1.7 2.6 1.9 1.9 2.1 1.3 2.7 3.0 3.0 1.2 2.2 RSD r 1.3 7.7 s 2.7 2.2 1.6 1.2 1.3 1.3 1.5 1.4 1.7 1.1 1.2 2.6 1.7 5.7 s 1.3 1.7 RSD R 4.1 21.2 s 4.4 4.7 5.2 4.8 3.1 4.0 3.8 3.1 4.2 3.0 3.4 4.7 4.0 5.7 4.1 3.4

Sample

Table 3. MLT statistics for the 12 elements in the SPIFAN matrixes