TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - Preferred Process: The magnetic field is at least 2000 gauss. The flow rate of the fluid through the magnetic field gives a residence time of 60 microseconds -10 seconds.Preferred Components: The metallic component comprises metal oxides, metal hydroxides, metal sulfides, metal selenides and/or metal tellurides. The compound may be a metal (in)organic salt or a metal complex salt such as carbonates, percarbonates, perthiocarbonates, perdicarbonates, perphosphates, perdiphosphates, pergermanates, rhenates, perrhenates, ruthenates, perruthenates, tantalates, pertantalates, technetates, pertechnetates, sulfates, thiosulfates, thiotellurates, sulfites, sulfonates, persulfates, carbides, hydrides, borates, perborates, borohydrides, borosilicates, borotitanates, borotungstates, perchromates, silicates, aluminates, nitrates, nitrites, perazotates, arsenites, arseniates, perarseniates, bromates, bromites, iodates, periodates, iodites, periodohexatungstates, manganates, permanganates, molybdates, permolybdates, perthiomolybdates, vanadates, perthiovanadates, titanates, pertitanates, zirconates, chromates, ferrates, ferricyanates, ferrioxalates, ferrocyanates, ferrofulminates, cobaltocyanates, nickelates, nickelotungstates, platinates, uranates, peruranates, perosmiates, chlorates, perchlorates, chlorites or organic salts of metals of groups 1-15 of the Periodic Table. The metal salt may be a phosphate of metal(s) of groups 1-11 of the Periodic Table. The metallic compound may be calcium carbonate suspended in the form of aqueous slurry and its concentration in the slurry is 50 mg/L-15 g/L, or calcium hydroxide suspended in the form of aqueous slurry and its concentration is 2-15 wt.%. It can be an iron oxide pigment suspended in the form of aqueous slurry and its concentration is 0.6-60 wt.%.Preferred Property: The average size of the metallic compound agglomerates before performing the method is 10-100 mum. The average size of a portion of the metallic compound agglomerates after performing the method is reduced to 0.45-5 mum. Alternatively, the size is reduced from 0.5-10 microns to 0.5-500 nm.Preferred Method: The metallic compound particles or agglomerates are suspended in the fluid in the form of a slurry and the concentration of the particles or agglomerates in the fluid is at least 2 times the solubility limit of the metallic compound in the fluid under the physical (temperature, pressure) and chemical (pH) conditions prevailing while flowing the slurry through the magnetic field. The turbidity of the suspension of the metallic compound particles is reduced or increased.