SPIFAN Nutrients ERP Book_9-29-15

Chlor-03 Figures & Tables FOR ERP USE ONLY DO NOT DISTRIBUTE

Table 3: Precision Results for NIST (mg/Kg) Chloride. Certified mean = 7010 mg/Kg . Certified range = 5950-8011mg/Kg

Sytem 1 a SRM 1849a System 2 a SRM 1849a

Statistics a

1 2 3 4 5 6 7 8 9

8088 8050 7955 7906 7832 7774 7800 7829 7704 7710 7836 7903 7815 7542 7535 7819 157 2.01

1 2 3 4 5 6 7 8 9

7586 7597 7576 7527 7642 7541 7512 7506 7453 7459 7472 7881 7765 7714 7690 7595 123 1.62

Individual (mg/Kg)

10 11 12 13 14 15

10 11 12 13 14 15

Mean(n=15)

SD

%RSD

7707 158 2.05

Mean(n=30)

SD

%RSD

a: Analyzed on two different instruments

4