2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Edit_Riboflavin_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

0.0091 Largest within variance 3.6063 Largest average lab result 3.1700 Smallest average lab result 3.4014 Grand average of all lab averages

0.13259 S(2H)

3.6063 Max Val(1) 3.6015 Max Val(2) 3.1700 Min Val(1) 3.2357 Min Val(2) 0.1386 S(HL) 3.6063 Max Val 3.1700 Min Val 0.1338 S(2L)

0.16237 s

0.15291 S(h) 0.14670 S(l)

3.6063155

3.17

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 6.3400 3.1700 10.0489

20.1010

20.0978

0.0032 0.0032

0.0032 Lab 1

3.1700 Lab 1

Lab 2

Lab 2

2 6.5090 3.2545 10.5918 2 6.9880 3.4940 12.2080 2 6.9100 3.4550 11.9370 2 7.2029 3.6015 12.9704 2 7.2126 3.6063 13.0055 2 6.9681 3.4840 12.1385 2 6.6237 3.3118 10.9682 2 6.4713 3.2357 10.4696

21.1916 24.4163 23.8745 25.9500 26.0112 24.2778 21.9377 20.9397

21.1835 24.4161 23.8741 25.9409 26.0110 24.2770 21.9364 20.9391

0.0081 0.0081 0.0002 0.0002 0.0004 0.0004 0.0091 0.0091 0.0002 0.0002 0.0008 0.0008 0.0013 0.0013 0.0006 0.0006

0.0081 Lab 3 0.0002 Lab 4 0.0004 Lab 5 0.0091 Lab 6 0.0002 Lab 7 0.0008 Lab 8 0.0013 Lab 9 0.0006 Lab 10

3.2545 Lab 3 3.4940 Lab 4 3.4550 Lab 5 3.6015 Lab 6 3.6063 Lab 7 3.4840 Lab 8 3.3118 Lab 9 3.2357 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