The crystallisation of alkaline‐earth metal molybdates and tungstates from lithium chloride melts by continuous cooling. Nucleation mechanism and kinetics and induction periods
Abstract:Calcium, strontium and barium molybdate (and tungstate) solutions in lithium chloridc melts were crystallised in alumina and in platinum crucibles ; saturated solutions were cooled from initial temperatures 700' to 800 "C down to room temperature a t cooling rates 40" to 200 "C hr-l. The nucleation and early crystal growth were investigated by chemical and differential thermal analysis and by optical microscopy studies. Crystallisation occurred through heterogeneous nucleation a t low supersaturations. Heterog… Show more
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