Effect of Phase Change in Solid-Solid Reactions
Annual rept. Oct 1964-Oct 1965
WASHINGTON COLL CHESTERTOWN MD DEPT OF CHEMISTRY
Pagination or Media Count:
As a result of differential thermal analysis, thermoconductimetric analysis and burning rate studies on potassium chlorate, sulfur, sodium bicarbonate and their mixtures, the effect of phase transitions on reactivity was evaluated. The evaluation led to a postulated mechanism for the sulfur-potassium chlorate reaction in which the thermal decomposition of pure potassium chlorate is considered unimportant. A relatively new tool thermoconductimetric analysis for measuring effect of temperature on solid state reactivity was developed and applied with satisfactory results. It was determined that the reactivity of solid potassium chlorate can be enhanced greatly by doping the crystalline material, changing crystal habit and coating the crystals. A supersensitive potassium chlorate doped with copper chlorate was prepared which, when mixed with sulfur, detonated on standing at room temperature.
- Physical Chemistry