AOAC SPIFAN Nutrients ERP Review (March 14, 2019)

Appendix C.1 Sample SRM 1849a

Column info

spike (mg) (spike stock solution 10 mg/kg)

Sample run no. refers to independent analyses on individual days

column #1 A Supp 16 S/N 022.3157, column #2 A Supp 16 S/N 0102.3039 column #1 column #1 column #1 column #1 column #1 column #1 column #1 column #1 column #1 column #2 column #2 column #2 column #2 column #2 column #2 column #2 column #2

Calibration Anions_low, quadratic through 0, unweighted

SD F- FIN (µg/100 g)

Spike concentration (μg/100 g)

F- (µg/100 g) (1)

F- (µg/100 g) (1)

F- FIN (µg/100 g) AVG

Analyst sample preparation

RSD (%)

Sample info

SRM 1849a A1_#1

calibration 1, analyst 1 calibration 1, analyst 1 calibration 1, analyst 1 calibration 1, analyst 1 calibration 1, analyst 1 calibration 2, analyst 2 calibration 2, analyst 2 calibration 2, analyst 2 calibration 2, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2 calibration 3, analyst 2

analyst 1 analyst 1 analyst 1 analyst 1 analyst 1 analyst 2 analyst 2 analyst 2 analyst 2 analyst 2 analyst 1 analyst 1 analyst 2 analyst 1 analyst 1 analyst 1 analyst 1

sample sample sample

118.4 122.7 117.5 138.8 161.0 100.8 116.5 143.0 125.7 166.5 230.7 128.6 177.4 236.8 143.3 229.8 95.6

125.2 120.7 119.6 138.6 162.2 112.1 116.4 142.5 124.6 159.8 235.0 128.9 175.6 233.2 139.8 222.8 94.3

121.8 121.7 118.6 138.7 161.6 106.4 116.5 142.8 125.2 163.2 232.9 128.7 176.5 235.0 141.6 226.3 95.0

4.8 1.4 1.5 0.2 0.8 8.0 0.1 0.3 0.9 0.8 4.8 3.1 0.2 1.3 2.6 2.5 5.0

3.9 1.2 1.2 0.1 0.5 7.5 0.1 0.2 0.9 0.6 2.9 1.3 0.1 0.7 1.1 1.8 2.2

A1_#2 A1_#3 A1_#3 A1_#3 A1_#4 A1_#4 A1_#4 A1_#5 A1_#6 A1_#6 A1_#6 A1_#7 A1_#7 A1_#7 A1_#8 A1_#8

sample + spike sample + spike

49 99

39.1 79.1

sample

sample + spike sample + spike

48 99

38.5 78.8

sample sample

sample + spike sample + spike

100 199

79.6

158.7

sample

sample + spike sample + spike sample + spike sample + spike

98

78.0

199

159.2

99

79.3

199

158.6

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