PREPARATION OF NANO, · Preferably the ball milling is performed at a temperature selected in the range of 20 to 45 C., such as preferably in the range of 25-35 C. (measured in the suspension vessel). The yttrium-stabilized zirconium oxide grinding beads used in the present invention exhibit a high density and are highly spherical which makes them particularly suitable for horizontal mills.ChemCatChem: Vol 11, No 10, · Herein we report a ball milling sulfoxidation protocol using aqueous hydrogen peroxide solution as oxidant and 40MoAl200 as a novel Keggin type catalyst. Optimum reaction conditions were extended to other substrates producing sulfoxides in high yields (up to 95 %) and selectivity (up to 80 %).Ball mill, · The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc. as well as for ore dressing of both ferrous and non-ferrous metals. of both ferrous and non-ferrous metals.
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