Urea Fertilizer

Urea Assay (wt %) 98.0 min Mass portion of nitrogen (N) on a dry basis, %min 46.2 Mass portion of Biuret, %, max 0.71 Ferrum % 0.0007 Apparent Density (Kg/m3) 770–809 Kg/m3 Free Ammonia 160 PXT PPM maximum Sulphates % 0.0079 Alkalinity % 0.022 Arsenic % 10ppm Cadmium 3ppm Mercury 0% Selenium 0.4ppm Chromium 430ppm Insoluble (ppm) 20 Granulation 0.85–3.35 mm not less than 90% Physical State Solid at 20 ºC, 101 KPA White Granules  Physical Presentation White Granular Specific Gravity – 1.335t/m Molecular Weight 60.065 Critical/relative Humidity (30 ºC) 73% Solubility in water at 20 ºC 100gm/100ml of water Anti–Caking Agent Free Floating Treated Against Anti–Caking Treatment Additive None PH (10 wt% solution) 7.5–10.0 Units Moisture (determined by Fischer method), % max: 0.5% max by method of drying Dimension Less than 1 mm: Absence Melting Point 132 ºC Color Standard White or Pure White Quality Free Flowing, Non Clotted, Free From Harmful Substances Salinity Index 75.4  2 to 5 mm 95%  1 to 4 mm –