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Large Gold Ore Magnetism Separation For Sale In Egypt

large-gold-ore-magnetism-separation-for-sale-in-egypt 23 Preparation of the Magnetic Iron Oxide Nanoparticles Magnetic nanoparticles MNPs were prepared as described by Tan and Bakar with some modification MNPs were obtained by dissolving 33 g of FeSO 4 7H 2 O and 2 g of NaNO 3 in 50 mL of distilled water Then 20 mL of NaOH solution 25 M was added to the mixture while it was heated up

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