2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_4052755861

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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

0.0834 Largest within variance 5.1720 Largest average lab result 3.9042 Smallest average lab result 4.5507 Grand average of all lab averages

0.28810 S(2H)

5.1720 Max Val(1) 4.8575 Max Val(2) 3.9042 Min Val(1) 4.1530 Min Val(2) 0.2282 S(HL) 5.1720 Max Val 3.9042 Min Val 0.2553 S(2L)

0.36035 s

0.30411 S(h) 0.29669 S(l)

5.172 3.9042

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 9.7149 4.8575 23.5948 2 7.8084 3.9042 15.2428 2 10.3440 5.1720 26.7496 2 8.8530 4.4265 19.5939 2 9.3090 4.6545 21.6644 2 8.7770 4.3885 19.2589 2 9.1078 4.5539 20.7380 2 9.2179 4.6090 21.2424 2 8.3060 4.1530 17.2474 2 9.5769 4.7885 22.9294

47.1899 30.5215 53.5238 39.1879 43.3573 38.5194 41.4769 42.4880 34.5157 45.9422

47.1896 30.4856 53.4992 39.1878 43.3287 38.5179 41.4760 42.4848 34.4949 45.8589

0.0002 0.0002 0.0360 0.0360 0.0246 0.0246 0.0001 0.0001 0.0286 0.0286 0.0016 0.0016 0.0009 0.0009 0.0032 0.0032 0.0208 0.0208 0.0834 0.0834

0.0002 Lab 1 0.0360 Lab 2 0.0246 Lab 3 0.0001 Lab 4 0.0286 Lab 5 0.0016 Lab 6 0.0009 Lab 7 0.0032 Lab 8 0.0208 Lab 9 0.0834 Lab 10

4.8575 Lab 1 3.9042 Lab 2 5.1720 Lab 3 4.4265 Lab 4 4.6545 Lab 5 4.3885 Lab 6 4.5539 Lab 7 4.6090 Lab 8 4.1530 Lab 9 4.7885 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