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bismuth powder millington de nepal

Journal of Physics Conference Series Volume 1245 2019. After drying Fe 3 O 4 nanoparticle product is obtained as black crystalline powder with an average particle size about 34 nm The Fe 3 O 4 nanoparticles 01 g were able to remove blue red and yellow colour with percentage of adsorption about 97 94 and 62 for 40 minutes contact time and 100 rpm of stirring speed respectively

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