2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_50350017W1

FOR ERP USE ONLY DO NOT DISTRIBUTE

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

0.0192 Largest within variance 4.6930 Largest average lab result 3.9244 Smallest average lab result 4.2641 Grand average of all lab averages

0.19192 S(2H)

4.6930 Max Val(1) 4.5875 Max Val(2) 3.9244 Min Val(1) 4.0091 Min Val(2) 0.2127 S(HL) 4.6930 Max Val 3.9244 Min Val 0.2368 S(2L)

0.26186 s

0.22714 S(h) 0.24723 S(l)

4.693

3.9244242

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 9.3860 4.6930 22.0242 2 8.0182 4.0091 16.0729 2 9.1750 4.5875 21.0452 2 8.4300 4.2150 17.7662 2 8.7080 4.3540 18.9573 2 8.1685 4.0843 16.6812 2 8.0889 4.0444 16.3575 2 8.4572 4.2286 17.8809 2 7.8488 3.9244 15.4011 2 9.0009 4.5005 20.2541

44.0497 32.1650 42.0963 35.5325 37.9155 33.3626 32.7153 35.7711 30.8114 40.5107

44.0485 32.1458 42.0903 35.5325 37.9146 33.3624 32.7150 35.7619 30.8022 40.5082

0.0012 0.0012 0.0192 0.0192 0.0059 0.0059 0.0000 0.0000 0.0009 0.0009 0.0002 0.0002 0.0003 0.0003 0.0092 0.0092 0.0092 0.0092 0.0025 0.0025

0.0012 Lab 1 0.0192 Lab 2 0.0059 Lab 3 0.0000 Lab 4 0.0009 Lab 5 0.0002 Lab 6 0.0003 Lab 7 0.0092 Lab 8 0.0092 Lab 9 0.0025 Lab 10

4.6930 Lab 1 4.0091 Lab 2 4.5875 Lab 3 4.2150 Lab 4 4.3540 Lab 5 4.0843 Lab 6 4.0444 Lab 7 4.2286 Lab 8 3.9244 Lab 9 4.5005 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