2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Thiamine_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

0.0262 Largest within variance 3.7555 Largest average lab result 2.6700 Smallest average lab result 3.2149 Grand average of all lab averages

0.29273 S(2H)

3.7555 Max Val(1) 3.4724 Max Val(2) 2.6700 Min Val(1) 2.8001 Min Val(2) 0.2532 S(HL) 3.7555 Max Val 2.6700 Min Val 0.2547 S(2L)

0.33961 s

0.29860 S(h) 0.29751 S(l)

3.7555

2.67

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 6.8900 3.4450 11.8680 2 7.5110 3.7555 14.1038

23.7361 28.2338 19.2884 22.4419 14.2578 17.3174 24.1261 23.6792 15.6852 20.0677

23.7361 28.2076 19.2883 22.4383 14.2578 17.3172 24.1150 23.6789 15.6812 20.0669

0.0000 0.0000 0.0262 0.0262 0.0002 0.0002 0.0036 0.0036 0.0000 0.0000 0.0002 0.0002 0.0111 0.0111 0.0003 0.0003 0.0041 0.0041 0.0009 0.0009

0.0000 Lab 1 0.0262 Lab 2 0.0002 Lab 3 0.0036 Lab 4 0.0000 Lab 5 0.0002 Lab 6 0.0111 Lab 7 0.0003 Lab 8 0.0041 Lab 9 0.0009 Lab 10

3.4450 Lab 1 3.7555 Lab 2 3.1055 Lab 3 3.3495 Lab 4 2.6700 Lab 5 2.9426 Lab 6 3.4724 Lab 7 3.4409 Lab 8 2.8001 Lab 9 3.1676 Lab 10

2 6.2110 3.1055

9.6441

2 6.6990 3.3495 11.2192

2 5.3400 2.6700 2 5.8851 2.9426

7.1289 8.6586

2 6.9448 3.4724 12.0575 2 6.8817 3.4409 11.8394

2 5.6002 2.8001

7.8406

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

2 6.3351 3.1676 10.0334

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