AOAC SPIFAN Nutrients ERP (December 7, 2022)

For ERP/Working Group Use Only DO NOT DISTRIBUTE Fluor-04 (SLV) Resubmission FOR ERP USE ONLY DO NOT DISTRIBUTE

Table VIII: SRM 1869

Fluoride Rep 1 (µg/100g)

Fluoride Rep 2 (µg/100g)

AVG Fluoride (µg/100g)

Electrode #

Day

SD

RSD r (%)

1 2 1 2 1 2 1 2 1 2 1 2

14.83 14.75 15.39 15.29 15.41 14.79 15.33 14.99 15.02 14.84 15.31 14.93

14.34 14.27 14.68 14.74 14.46 14.45 14.27 14.51 14.44 14.51 14.38 14.59

14.59 14.51 15.03 15.02 14.94 14.62 14.80 14.75 14.73 14.68 14.84 14.76

0.35 0.34 0.51 0.38 0.67 0.25 0.75 0.34 0.41 0.23 0.66 0.24 0.46

2.37 2.35 3.37 2.56 4.48 1.68 5.09 2.32 2.75 1.58 4.42 1.66

1

2

3

4

5

6

Pooled SD

RSD r

3.1

Table IX: RM 8260

Fluoride Rep 1 (µg/100 g)

Fluoride Rep 2 (µg/100g)

AVG Fluoride (µg/100g)

Electrode #

Day

SD

RSD r (%)

1 2 1 2 1 2 1 2 1 2 1 2

3.08 3.23 4.00 3.73 3.96 3.90 3.77 3.68 3.92 3.80 3.97 3.98

2.91 2.73 3.89 3.48 3.29 3.30 3.23 3.11 3.26 3.23 3.12 3.05

2.99 2.98 3.94 3.60 3.63 3.60 3.50 3.40 3.59 3.52 3.54 3.52

0.12 0.35 0.07 0.18 0.47 0.42 0.38 0.41 0.47 0.40 0.60 0.65 0.41 11.9

4.04

1

11.75

1.87 5.03

2

13.05 11.75 10.80 11.97 13.04 11.50 16.88 18.58

3

4

5

6

Pooled SD

Red text = Below LOD

RSD r

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