Simultaneous Determination of Nitrate, Nitrite and Phosphate in .
using acetonitrile and acidified water (pH 2.7) at 60:40 v/v as mobile phase. Baseline . HPLC UV, simultaneous determination, nitrate, nitrite, phosphate. 1. Introduction .. plant at the inlet, primary settlement tank, secondary settlement tank 18 crown 6 added to the electrolyte upon the separation of ammo nium, alkali.Live Chat