2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_CLC10-b

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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

0.9814 Largest within variance 11.1743 Largest average lab result 9.7521 Smallest average lab result 10.5432 Grand average of all lab averages

0.34152 S(2H)

11.1743 Max Val(1) 11.0500 Max Val(2) 9.7521 Min Val(1) 10.1746 Min Val(2) 0.2943 S(HL) 11.1743 Max Val 9.7521 Min Val 0.3171 S(2L)

0.42603 s

0.38583 S(h) 0.34246 S(l)

11.1743

9.7521458

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 22.3486 11.1743 124.8650 2 21.1314 10.5657 111.6340 2 21.5250 10.7625 115.8314 2 20.5360 10.2680 105.4318 2 21.6150 10.8075 116.8021 2 20.8420 10.4210 108.5972 2 20.9122 10.4561 109.3304 2 20.3493 10.1746 103.5232 2 19.5043 9.7521 95.1043 2 22.1001 11.0500 122.1036

249.7552 223.4297 232.0527 210.9099 233.6044 217.4580 218.6621 207.1539 190.2087 245.1886

249.7300 223.2680 231.6628 210.8636 233.6041 217.1945 218.6609 207.0464 190.2087 244.2072

0.0252 0.0252 0.1617 0.1617 0.3898 0.3898 0.0462 0.0462 0.0003 0.0003 0.2635 0.2635 0.0012 0.0012 0.1075 0.1075 0.0001 0.0001 0.9814 0.9814

0.0252 Lab 1 0.1617 Lab 2 0.3898 Lab 3 0.0462 Lab 4 0.0003 Lab 5 0.2635 Lab 6 0.0012 Lab 7 0.1075 Lab 8 0.0001 Lab 9

11.1743 Lab 1 10.5657 Lab 2 10.7625 Lab 3 10.2680 Lab 4 10.8075 Lab 5 10.4210 Lab 6 10.4561 Lab 7 10.1746 Lab 8 9.7521 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

0.9814 Lab 10 11.0500 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