A comparison of citric acid solubilities of commercially available Eppawala rock phosphate and selectively mined primary apatite crystals after mixing with peat
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A comparison of citric acid solubilities of commercially available Eppawala rock phosphate and selectively mined primary apatite crystals after mixing with peat
Rathnayake, M.P.K.; Kumaragamage, D.; Dahanayake, K.