The magnetic selection is divided according to the specific magnetic susceptibility: 1) Strong magnetic minerals (recovered by weak magnetic field magnetic separator) Ï‡ SI SI> 3.8Ã—10 - 5 m 3 /kg; Gs Ï‡> 3Ã—10 - 3 cm3 / g, mostly ethylene ferromagnetic substance. 2) weakly magnetic minerals (with a strong magnetic separator recycling) [chi] values in SI 7.5 Ã— 10-6 ~ 1.26 Ã— 10-7m 3 / kg; Gs is made of 6 Ã— 10-4 ~ 10 Ã— 10-6ãŽ 3 / g It is generally a paramagnetic substance. 3) Non-magnetic minerals (magnetic separation can not be recovered) Ï‡ value: SI system Ï‡ <1.26 Ã— 10-7m 3 / kg; Gs system Ï‡ <10 Ã— 10-6m 3 / kg, generally magnetically weak paramagnetic or Anti-magnetic. The content of this article is for reference only and does not constitute investment construction.
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