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12%The cobalt concentration within the release test solutions after magnetic separation of Co@C NPs was determined by ion chromatography–mass spectroscopy (ICP-MS, Perkin Elmer NexION). The quantity of free amino groups on the surface of APTES-modified Co@C NPs was determined with the ninhydrin assay, using glycin as a standard reference (Chen ...
Cobalt-loaded MTB-KTN90 had ability to separate from solution by a simple magnetic separator. Magnetic response in MTB-KTN90 is due to the presence of unique intracellular magnetic nanoparticles (magnetosomes). The orientation magnetic separation results indicated that 88.55 % of cobalt was removed from solution.
Magnetic Properties and Separation Potential Wet, high-intensity magnetic separation (WHIMS) was considered as a poten tial method for removing the cobalt-nickel mineral from the chalcopyrite con centrate. In anticipation of such tests, the magnetic susceptibilities were
When cobalt micro-particles were fed into the separation field (Fig. 5a), they were subjected to magnetic force F m, buoyancy F b, gravitation F g, resistance F R. that settled onto the collecting mat due to the longitudinal dominant magnetic force and gravity.