Home » Copper Chromium Oxide Dispersion (Cu:CrO2, Purity: 99.9%, APS: 40-80nm)
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A wide usage of metal oxide nanoparticles and nano structured materials attracts many people to research for their controlled synthesis via new method. Because, special properties of metallic or metal oxide nanoparticles exhibited several potential application in electronics, optoelectronics, catalysis and thin film coatings. In particular, alumina nanoparticles are expected to play important roles in a variety of relevant applications, and hence, the field has generated important contributions regarding the synthesis and processing of such particles.
Metal oxide in a dispersed form is used in a number of formulations which contain Water. Such formulations include sun screening preparations, cosmetics and veterinary products. The preparation of these formulations is greatly eased if the metal oxide is available in the form of an aqueous dispersion which can be readily incorporated into the formulation. However, stable dispersions of oxides are difficult to prepare and the Zinc oxide may dissolve at low or high pH values.
Oxide dispersion is non-toxic and chemical properties are stable. It almost has no reaction with other material produce under normal temperature. It is a partial acid oxide. It has no reaction with oxygen, hydrogen sulfide, sulfur dioxide, carbon dioxide and ammonia and is not soluble in water, fatty acids, other organic acid and weak inorganic acid except for alkali and hot nitric acid. But, in some specific conditions, titanium dioxide can get reaction with some substance.
Nanodispersion are composites consisting of solid nanoparticles with sizes varying generally from 1 to 100 nm dispersed in heat transfer liquids such as water, ethylene glycol, propylene glycol and so on. In the last decade, nanofluids have gained significant attention due to their enhanced thermal properties. A great deal of energy is expended heating industrial and residential buildings in the cold regions of the world.
A stable colloidal dispersion is expected to remain without sedimentation even after prolonged periods of storage. The settling behavior of dispersions depends mainly on the size and density of the dispersed particles. Dispersion of nanopowders into liquids is a challenging task. The high surface area and surface energy which are responsible for the beneficial effects of Nanomaterials cause agglomeration of particles which leads to poor quality dispersions.
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