2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Edit_Niacin_Tot_MLT- AOAC_BlindDup_4044755861

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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

0.0995 Largest within variance 7.3360 Largest average lab result 5.2423 Smallest average lab result 6.2518 Grand average of all lab averages

0.37057 S(2H)

7.3360 Max Val(1) 6.7667 Max Val(2) 5.2423 Min Val(1) 5.9255 Min Val(2) 0.2691 S(HL) 7.3360 Max Val 5.2423 Min Val 0.4564 S(2L)

0.57336 s

0.43219 S(h) 0.46036 S(l)

7.336

5.2423124

9 # 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 12.7731 6.3866 40.7880

81.5768

81.5760

0.0008 0.0008

0.0008 Lab 1

6.3866 Lab 1

Lab 2

Lab 2

2 14.6720 7.3360 53.8169 2 11.8510 5.9255 35.1116 2 12.3710 6.1855 38.2604 2 12.2909 6.1455 37.7666 2 13.5335 6.7667 45.7888 2 12.1837 6.0918 37.1103 2 10.4846 5.2423 27.4818 2 12.3724 6.1862 38.2688

107.7333 70.2785 76.5692 75.5334 91.5845 74.2749 55.0551 76.5739

107.6338 70.2231 76.5208 75.5331 91.5776 74.2207 54.9637 76.5376

0.0995 0.0995 0.0554 0.0554 0.0484 0.0484 0.0003 0.0003 0.0069 0.0069 0.0542 0.0542 0.0914 0.0914 0.0362 0.0362

0.0995 Lab 3 0.0554 Lab 4 0.0484 Lab 5 0.0003 Lab 6 0.0069 Lab 7 0.0542 Lab 8 0.0914 Lab 9 0.0362 Lab 10

7.3360 Lab 3 5.9255 Lab 4 6.1855 Lab 5 6.1455 Lab 6 6.7667 Lab 7 6.0918 Lab 8 5.2423 Lab 9 6.1862 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