2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_K16NTAV

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AOAC International Interlaboratory Study Workbook

Version:

2.1

Blind (Unpaired) Replicates Calculations Sheet

AOAC 2015.14 Simultaneous Determination of Total Vitamins B1, B2, B3, and B6 in Infant Formula and Related Nutritiona

Summary Statistics

0.2864 Largest within variance 9.1530 Largest average lab result 6.9611 Smallest average lab result 8.4145 Grand average of all lab averages

0.58251 S(2H)

9.1530 Max Val(1) 9.0850 Max Val(2) 6.9611 Min Val(1) 8.0786 Min Val(2) 0.3580 S(HL) 9.1530 Max Val 6.9611 Min Val 0.3767 S(2L)

0.63408 s

0.61364 S(h) 0.39867 S(l)

9.153 6.9611

10 # Laboratories

Average Lab Result^2

Average Lab Result^2 Results^2

Average Lab Result

Sum of Lab Results

# Lab Replicates given

Sum of Results^2/#Reps DEVN of Sq

Variance within DEVN of Sq

Lab

1 2 3 4 5 6 7 8 9

2 18.3060 9.1530 83.7774 2 13.9222 6.9611 48.4569 2 18.1700 9.0850 82.5372 2 17.2400 8.6200 74.3044 2 17.7940 8.8970 79.1566 2 16.5443 8.2722 68.4288 2 16.2922 8.1461 66.3591 2 17.1586 8.5793 73.6046 2 16.1572 8.0786 65.2641 2 16.7047 8.3523 69.7617

167.6499 97.2002 165.0777 148.6362 158.3133 136.8638 132.7182 147.3147 130.5536 139.6157

167.5548 96.9138 165.0745 148.6088 158.3132 136.8576 132.7181 147.2093 130.5281 139.5234

0.0950 0.0950 0.2864 0.2864 0.0032 0.0032 0.0274 0.0274 0.0001 0.0001 0.0062 0.0062 0.0000 0.0000 0.1054 0.1054 0.0254 0.0254 0.0924 0.0924

0.0950 Lab 1 0.2864 Lab 2 0.0032 Lab 3 0.0274 Lab 4 0.0001 Lab 5 0.0062 Lab 6 0.0000 Lab 7 0.1054 Lab 8 0.0254 Lab 9 0.0924 Lab 10

9.1530 Lab 1 6.9611 Lab 2 9.0850 Lab 3 8.6200 Lab 4 8.8970 Lab 5 8.2722 Lab 6 8.1461 Lab 7 8.5793 Lab 8 8.0786 Lab 9 8.3523 Lab 10

10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49

Lab 11 Lab 12 Lab 13 Lab 14 Lab 15 Lab 16 Lab 17 Lab 18 Lab 19 Lab 20 Lab 21 Lab 22 Lab 23 Lab 24 Lab 25 Lab 26 Lab 27 Lab 28 Lab 29 Lab 30 Lab 31 Lab 32 Lab 33 Lab 34 Lab 35 Lab 36 Lab 37 Lab 38 Lab 39 Lab 40 Lab 41 Lab 42 Lab 43 Lab 44 Lab 45 Lab 46 Lab 47 Lab 48 Lab 49

Lab 11 Lab 12 Lab 13 Lab 14 Lab 15 Lab 16 Lab 17 Lab 18 Lab 19 Lab 20 Lab 21 Lab 22 Lab 23 Lab 24 Lab 25 Lab 26 Lab 27 Lab 28 Lab 29 Lab 30 Lab 31 Lab 32 Lab 33 Lab 34 Lab 35 Lab 36 Lab 37 Lab 38 Lab 39 Lab 40 Lab 41 Lab 42 Lab 43 Lab 44 Lab 45 Lab 46 Lab 47 Lab 48 Lab 49