2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_E10NWZC

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

0.1551 Largest within variance 10.5704 Largest average lab result 6.5555 Smallest average lab result 8.5906 Grand average of all lab averages

0.72003 S(2H)

10.5704 Max Val(1) 9.7095 Max Val(2) 6.5555 Min Val(1) 8.0410 Min Val(2) 0.5263 S(HL) 10.5704 Max Val 6.5555 Min Val 0.8213 S(2L)

1.05412 s

0.84007 S(h) 0.82148 S(l)

10.57035

6.5555

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 21.1407 10.5704 111.7323 2 13.1110 6.5555 42.9746 2 19.4190 9.7095 94.2744 2 17.3100 8.6550 74.9090 2 16.9270 8.4635 71.6308 2 16.0820 8.0410 64.6577 2 16.6955 8.3477 69.6847 2 16.1895 8.0948 65.5250 2 17.6638 8.8319 78.0024 2 17.2738 8.6369 74.5959

223.4849 86.1043 188.6147 149.8197 143.2620 129.3726 139.3695 131.0920 156.0048 149.2983

223.4646 85.9492 188.5488 149.8181 143.2617 129.3154 139.3695 131.0500 156.0048 149.1918

0.0203 0.0203 0.1551 0.1551 0.0659 0.0659 0.0017 0.0017 0.0004 0.0004 0.0573 0.0573 0.0001 0.0001 0.0421 0.0421 0.0000 0.0000 0.1065 0.1065

0.0203 Lab 1 0.1551 Lab 2 0.0659 Lab 3 0.0017 Lab 4 0.0004 Lab 5 0.0573 Lab 6 0.0001 Lab 7 0.0421 Lab 8 0.0000 Lab 9 0.1065 Lab 10

10.5704 Lab 1 6.5555 Lab 2 9.7095 Lab 3 8.6550 Lab 4 8.4635 Lab 5 8.0410 Lab 6 8.3477 Lab 7 8.0948 Lab 8 8.8319 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

8.6369 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