SCHEDULE 2 METHODS OF ANALYSIS

8b. DETERMINATION OF DIFFERENT FORMS OF NITROGEN IN THE SAME SAMPLE — IN THE ABSENCE OF CYANAMIDE NITROGEN

Total nitrogen excluding nitric nitrogen

7.4  Nitric nitrogen is obtained: by difference between

• (7.2.4) — (7.5.3 + 7.6.3)

• or (7.2.4) — (7.5.3 + 7.6.5)

• or (7.2.4) — (7.5.3 + 7.6.6)