2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Edit_Niacin_Tot_MLT- AOAC_BlindDup_00729RF00

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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

0.0102 Largest within variance 4.4915 Largest average lab result 3.8005 Smallest average lab result 4.1680 Grand average of all lab averages

0.19096 S(2H)

4.4915 Max Val(1) 4.3580 Max Val(2) 3.8005 Min Val(1) 3.9480 Min Val(2) 0.1594 S(HL) 4.4915 Max Val 3.8005 Min Val 0.1587 S(2L)

0.22897 s

0.20307 S(h) 0.18825 S(l)

4.4914585 3.800465

8 # 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 8.5558 4.2779 18.3004

36.6017

36.6009

0.0009 0.0009

0.0009 Lab 1

4.2779 Lab 1

Lab 2

Lab 2

2 8.7160 4.3580 18.9922 2 7.8960 3.9480 15.5867 2 8.3932 4.1966 17.6115 2 8.5075 4.2537 18.0943 2 8.9829 4.4915 20.1732 2 7.6009 3.8005 14.4435 2 8.0357 4.0179 16.1431

37.9856 31.1740 35.2230 36.1896 40.3465 28.8952 32.2964

37.9843 31.1734 35.2229 36.1885 40.3464 28.8871 32.2863

0.0012 0.0012 0.0006 0.0006 0.0001 0.0001 0.0011 0.0011 0.0001 0.0001 0.0081 0.0081 0.0102 0.0102

0.0012 Lab 3 0.0006 Lab 4 0.0001 Lab 5 0.0011 Lab 6 0.0001 Lab 7 0.0081 Lab 8 0.0102 Lab 9

4.3580 Lab 3 3.9480 Lab 4 4.1966 Lab 5 4.2537 Lab 6 4.4915 Lab 7 3.8005 Lab 8 4.0179 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

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 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