2015.14 Vitamin B (July 2018)

2015.14 (JULY 2018) BVit-02 AOAC_Niacin_Tot_MLT- AOAC_BlindDup_00730RF00

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AOAC International Interlaboratory Study Workbook

Version:

2.1

Blind (Unpaired) Replicates Calculations Sheet Summary Statistics 70.5268 Largest within variance

AOAC 2015.14 Simultaneous Determination of Total Vitamins B1, B2, B3, and B6 in Infant Formula and Related Nutritiona

0.09805 S(2H)

11.3737 Largest average lab result 2.9265 Smallest average lab result 3.9022 Grand average of all lab averages

11.3737 Max Val(1) 3.2705 Max Val(2) 2.9265 Min Val(1) 2.9701 Min Val(2) 0.1120 S(HL) 11.3737 Max Val 2.9265 Min Val 2.9243 S(2L)

2.62758 s

0.11811 S(h) 2.76315 S(l)

11.3737 2.9265

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 6.3100 3.1550

9.9540

19.9429 329.2489 20.7253 17.1293 21.4233 17.6862 18.2246 18.7188 18.7360 17.6449

19.9081

0.0348 0.0348

0.0348 Lab 1

3.1550 Lab 1 11.3737 Lab 2 3.2165 Lab 3 2.9265 Lab 4 3.2705 Lab 5 2.9737 Lab 6 3.0186 Lab 7 3.0567 Lab 8 3.0606 Lab 9 2.9701 Lab 10

2 22.7474 11.3737 129.3611 2 6.4330 3.2165 10.3459

258.7221 70.5268 70.5268 70.5268 Lab 2

20.6917 17.1288 21.3923 17.6862 18.2236 18.6873 18.7346 17.6425

0.0335 0.0335 0.0005 0.0005 0.0310 0.0310 0.0000 0.0000 0.0010 0.0010 0.0315 0.0315 0.0014 0.0014 0.0024 0.0024

0.0335 Lab 3 0.0005 Lab 4 0.0310 Lab 5 0.0000 Lab 6 0.0010 Lab 7 0.0315 Lab 8 0.0014 Lab 9 0.0024 Lab 10

2 5.8530 2.9265

8.5644

2 6.5410 3.2705 10.6962

2 5.9475 2.9737 2 6.0372 3.0186 2 6.1135 3.0567 2 6.1212 3.0606 2 5.9401 2.9701

8.8431 9.1118 9.3437 9.3673 8.8212

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

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