mineral apatite treatment by hammer breaking machine ...
Nov 20, 2021 Major elements of the apatite were analyzed using a JEOL-JXA8230 electron microprobe analyzer (EMPA) in wavelength-dispersive spectrometry (WDS) mode in the MLR Key Laboratory of Metallogeny and Mineral Assessment, Institute of Mineral Resources, Chinese Academy of Geological Sciences, Beijing, China.
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