https://geoscan.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/fullf.web&search1=R=306661
Canada Department of Mines and Technical Surveys, 1959
This report describes laboratory experiments done to recover cell-grade alumina from aluminiferous shale. The shale was baked with concentrated sulphuric acid...
Rapport
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