AOAC SPIFAN ERP Meeting Book (3-16-16)

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3

Figure 1. Chromatogram of SRM1849a (zoomed in: Fluoride peak)

Note: Fluoride elutes at ~ 7.75 min, Chloride elutes at ~ 15.40 min

0.0

6.0

12.0

18.0

24.0

30.0

-50

0

500

Chloride

Conductivity (μS)

Minute

Fluoride

0

6.0

12

18

24

30

-0.12

1.16

Flouride

Fluor-02/Chlor-03 (February 2016)

FOR ERP USE ONLY

DO NOT DISTRIBUTE