AOAC SPIFAN Nutrients ERP-Final Review (Oct. 2018) Pubs

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2011.14 (SEPTEMBER 2017) MTE-01/03 REPORT

ISO/NP 15151 | IDF 229 FOR ERP USE ONLY DO NOT DISTRIBUTE

Table A.5 - Precision data for magnesium

Sample

1 a

2 b

3 c

4 d

5 e

6 f

7 g

Year of interlaboratory test Number of laboratories Number of non-compliant laboratories Number of outliers (laboratories) Number of laboratories after eliminating outliers Number of accepted results Repeatability standard deviation S r Reproducibility standard deviation S R Repeatability relative standard deviation RSD r Reproducibility relative standard deviation RSD R Overall mean of all data (grand mean)

2016

2 0

2 2 9

2 0

4 0 9

3 1 9

12 24

11 22

163 2,95 5,68 1,81 3,48 0,66

10,2

9,24

202 3,13

73,4

1,94

19,9

0,3 0,9

0,352 0,873

0,815 3,61

0,164 0,537

0,511 1,72

9,1

3,81

1,55

1,11

8,5

2,57

9,44 1,17

4,5

4,92 0,83

27,7 2,71

8,7

HoRat value

1,08

0,88

1,20

a SRM 1849a, b Whole Milk, c Whole Milk Powder, d Whey powder, e Whey Protein Concentrate, f Butter, g Cheese NOTE: SRM; Whole milk, Whey powder, Whey protein concentrate, butter and Cheese results are expressed as mg/100 g "as is" .WMP results are expressed as mg/100g reconstituted final product .

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