Alternative processes have been proposed for selective separation of fluorite and gangue minerals (carbonates and silicates) present in fluorspar ores. Calcination and gravity separation processes are methods that have low efficiency and high cost. Flotation is a chemical process that becomes important when high ore grades are required; however. the selectivity is inhibited by the sup... https://fxvohbsrldpr3s.blog2freedom.com/34914746/factors-influencing-the-acceptance-of-online-shopping-in-pakistan