2017.03 Amino Acids (Tryptophan) - Amino-02

2017.03 (JULY 2018) Amino-02 AOAC_TRP_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 2017.03 Determination of L-Tryptophan

Summary Statistics

1.4060 Largest within variance 23.6225 Largest average lab result 21.5060 Smallest average lab result 22.5927 Grand average of all lab averages

0.55753 S(2H)

23.6225 Max Val(1) 23.5164 Max Val(2) 21.5060 Min Val(1) 21.6583 Min Val(2) 0.5763 S(HL) 23.6225 Max Val 21.5060 Min Val 0.5348 S(2L)

0.71233 s

0.65081 S(h) 0.63782 S(l)

23.622482 21.505983

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 45.1548 22.5774 509.7381 1019.4834

1019.4761 992.1900 982.2225 1106.0451 1035.8538 1067.1528 925.0146 1116.0433 938.1630 1035.5635

0.0073 0.0073 0.2548 0.2548 0.1466 0.1466 0.3112 0.3112 1.4060 1.4060 0.1674 0.1674 0.0000 0.0000 0.0447 0.0447 0.0493 0.0493 0.1467 0.1467

0.0073 Lab 1 0.2548 Lab 2 0.1466 Lab 3 0.3112 Lab 4 1.4060 Lab 5 0.1674 Lab 6 0.0000 Lab 7 0.0447 Lab 8 0.0493 Lab 9

22.5774 Lab 1 22.2732 Lab 2 22.1610 Lab 3 23.5164 Lab 4 22.7580 Lab 5 23.0993 Lab 6 21.5060 Lab 7 23.6225 Lab 8 21.6583 Lab 9

2 44.5464 22.2732 496.0950 2 44.3221 22.1610 491.1113

992.4448 982.3692

2 47.0329 23.5164 553.0226 1106.3563 2 45.5160 22.7580 517.9269 1037.2599 2 46.1985 23.0993 533.5764 1067.3202

2 43.0120 21.5060 462.5073

925.0146

2 47.2450 23.6225 558.0216 1116.0879

2 43.3166 21.6583 469.0815

938.2123

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 45.5096 22.7548 517.7818 1035.7102

0.1467 Lab 10 22.7548 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