SPSFAM Heavy Metals ERP Book
(1 mL/min). (1) If this is the first time a source of (NH 4 ) 2
HPO
4 is being used
for themobile phase, youwill need to test for arsenic contamination. Follow steps I(d) (1)–(5) and if acceptable proceed to I(e) . If the
© 2016 AOAC INTERNATIONAL
Made with FlippingBook - Online Brochure Maker