ammonium nitrate – Mining and Blasting
· 1. Introduction: ANFO (or A mmonium Nitrate/Fuel Oil) is a widely used bulk industrial explosive mixture in mines and quarry operation. It consists of 94 % porous Ammonium Nitrate (NH 4 NO 3 ), (AN) that acts as the oxidizing agent and absorbent for the fuel – 6 % number 2 fuel oil (FO), popularly known as High Speed Diesel (HSD).