2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_00866RF00

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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

0.3055 Largest within variance 11.9540 Largest average lab result 8.8348 Smallest average lab result 10.6455 Grand average of all lab averages

0.80088 S(2H)

11.9540 Max Val(1) 11.6220 Max Val(2) 8.8348 Min Val(1) 9.5510 Min Val(2) 0.6309 S(HL) 11.9540 Max Val 8.8348 Min Val 0.5703 S(2L)

0.93145 s

0.85921 S(h) 0.72157 S(l)

11.954

8.8347688

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 21.9112 10.9556 120.0252 2 19.1020 9.5510 91.2216 2 23.9080 11.9540 142.8981 2 21.3620 10.6810 114.0838 2 21.3980 10.6990 114.4686 2 21.7590 10.8795 118.3635 2 23.2441 11.6220 135.0720 2 20.2674 10.1337 102.6916 2 17.6695 8.8348 78.0531 2 22.2887 11.1444 124.1971

240.0620 182.4824 285.9598 228.1785 228.9846 236.7442 270.1453 205.4442 156.1674 248.6996

240.0503 182.4432 285.7962 228.1675 228.9372 236.7270 270.1440 205.3831 156.1063 248.3941

0.0117 0.0117 0.0392 0.0392 0.1636 0.1636 0.0110 0.0110 0.0474 0.0474 0.0171 0.0171 0.0013 0.0013 0.0610 0.0610 0.0611 0.0611 0.3055 0.3055

0.0117 Lab 1 0.0392 Lab 2 0.1636 Lab 3 0.0110 Lab 4 0.0474 Lab 5 0.0171 Lab 6 0.0013 Lab 7 0.0610 Lab 8 0.0611 Lab 9

10.9556 Lab 1 9.5510 Lab 2 11.9540 Lab 3 10.6810 Lab 4 10.6990 Lab 5 10.8795 Lab 6 11.6220 Lab 7 10.1337 Lab 8 8.8348 Lab 9

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

0.3055 Lab 10 11.1444 Lab 10

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