Preparation of Ammonals

Preparation of Ammonals. In the USA ammonals were prepd by a method similar to that used for the prepn of amatols the calcd amt of TNT(or other aromatic nitro-compd) was placed in a kettle (provided with a steam jacket and an agitator) and heated between 85° and 100°. To this was added gradually and with stirring, the calcd amt of powdered AN, previously preheated to the same temp (85 to 100. Finally, Al powder was added and the mass cooled while continuing the agitn. The resulting mixt was in the form of a grayish pdr. If the ammonal mixt contained less than 40% TNT... 

---