apatite oncentrate sampling,apatite concentrate, a potential new source of rare earth . - REEcoverIn the present study apatite concentrate originating from iron ore .. The apatite concentrate sample was pressed into a cylinder 4±0.2 mm in diameter and 5±1.apatite oncentrate sampling,APATITE CONCENTRATE (CTA-AC-1)Apatite concentrate (ca. 50 kg) originating from Kola . good homogeneity of the material, at least for sample weight of m≥100 mg. All the steps of preparation.
apatite oncentrate sampling