In-situ synthesis of calcium/magnesium phosphate system ...
Dolostones were collected from Merelani Tanzanite mine area, Arusha Tanzania. The rocks were ground in a ceramic ball mill and the powder was sieved with 125 μm sieve. The obtained powder was heat pretreated at 900 °C for 8 h. Clay was obtained from Kisalawe, Dar-es-Salaam. Reagent grade Phosphoric acid was obtained from Sigma. 2.2.
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