EXPRESS ANALYSIS METHOD OF ALUNITE ORE

The article presents a method to determine an amount of alunite in ore and technological samples by alternative method. essence the is that mineral heated temperature complete decomposition (800-8500C) degree alunitation for total mass loss, based on aluminum oxide sulfur trioxide. was compared with other available methods (thermal, chemical, X-ray phase). advantage more than one sample analyzed at time, analysis completed short no preliminary preparations are made, nor chemical reagents used. Alunite consists non-alunite (kaolinite, hematite, quartz). Since loss during heating mainly caused alunite, mathematical relationship a%=2.34ωloss found between alunitation. According alunitation, trioxide ore, expressions ω(Al2O3)=0.8775⋅ωloss, ω(SO3)=0.6888∙ωloss were obtained. Chemical, derivotographic experimentally confirmed adequacy these equations. It established order completely decompose it necessary heat 8500C half hour 8000C