2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_00795RF

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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

0.0848 Largest within variance 14.0640 Largest average lab result 9.8162 Smallest average lab result 12.9252 Grand average of all lab averages

1.19389 S(2H)

14.0640 Max Val(1) 13.7685 Max Val(2) 9.8162 Min Val(1) 12.6580 Min Val(2) 0.3833 S(HL) 14.0640 Max Val 9.8162 Min Val 0.4333 S(2L)

1.17741 s

1.17450 S(h) 0.46589 S(l)

14.064 9.8162

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 27.2319 13.6160 185.3941 2 19.6324 9.8162 96.3578 2 28.1280 14.0640 197.7961 2 27.5370 13.7685 189.5716 2 26.4790 13.2395 175.2844 2 25.4794 12.7397 162.2998 2 26.3917 13.1958 174.1302 2 26.2079 13.1040 171.7135 2 25.3160 12.6580 160.2255 2 26.1014 13.0507 170.3203

370.8175 192.7347 395.6215 379.1767 350.6134 324.6185 348.2660 343.4524 320.4978 340.7255

370.7882 192.7156 395.5922 379.1432 350.5687 324.5997 348.2604 343.4270 320.4510 340.6407

0.0293 0.0293 0.0191 0.0191 0.0293 0.0293 0.0335 0.0335 0.0447 0.0447 0.0189 0.0189 0.0056 0.0056 0.0253 0.0253 0.0469 0.0469 0.0848 0.0848

0.0293 Lab 1 0.0191 Lab 2 0.0293 Lab 3 0.0335 Lab 4 0.0447 Lab 5 0.0189 Lab 6 0.0056 Lab 7 0.0253 Lab 8 0.0469 Lab 9

13.6160 Lab 1 9.8162 Lab 2 14.0640 Lab 3 13.7685 Lab 4 13.2395 Lab 5 12.7397 Lab 6 13.1958 Lab 7 13.1040 Lab 8 12.6580 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

0.0848 Lab 10 13.0507 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