2017.03 Amino Acids (Tryptophan) - Amino-02

2017.03 (JULY 2018) Amino-02 AOAC_TRP_MLT_- AOAC_BlindDup_00859RF00

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

0.3125 Largest within variance 22.1836 Largest average lab result 20.4460 Smallest average lab result 21.3493 Grand average of all lab averages

0.53570 S(2H)

22.1836 Max Val(1) 22.0074 Max Val(2) 20.4460 Min Val(1) 20.6239 Min Val(2) 0.5255 S(HL) 22.1836 Max Val 20.4460 Min Val 0.4913 S(2L)

0.62941 s

0.58385 S(h) 0.56713 S(l)

22.183586 20.446021

9 # 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 42.0501 21.0251 442.0533 2 43.7322 21.8661 478.1254 2 42.3432 21.1716 448.2369 2 43.5773 21.7887 474.7462 2 42.0621 21.0311 442.3055 2 41.2479 20.6239 425.3463 2 44.0147 22.0074 484.3245 2 40.8920 20.4460 418.0398 2 44.3672 22.1836 492.1115

884.1067 956.4172 896.4775 949.5171 884.6252 851.0051 968.6582 836.3366 984.3559

884.1065 956.2508 896.4738 949.4924 884.6110 850.6927 968.6490 836.0795 984.2230

0.0002 0.0002 0.1664 0.1664 0.0038 0.0038 0.0247 0.0247 0.0142 0.0142 0.3125 0.3125 0.0092 0.0092 0.2571 0.2571 0.1330 0.1330

0.0002 Lab 1 0.1664 Lab 2 0.0038 Lab 3 0.0247 Lab 4 0.0142 Lab 5 0.3125 Lab 7 0.0092 Lab 8 0.2571 Lab 9 Lab 6

21.0251 Lab 1 21.8661 Lab 2 21.1716 Lab 3 21.7887 Lab 4 21.0311 Lab 5 20.6239 Lab 7 22.0074 Lab 8 20.4460 Lab 9 Lab 6

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

0.1330 Lab 10 22.1836 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