2015年8月26日星期三

The Preparation And Attributes Of Chrome Oxide Green



Speaking of the preparation or supply of Chrome oxide green, we can get chrome oxide green by calcination of chromic acid, sodium bichromate (or potassium) or sulphur. What’s more, we can get chrome oxide green by thermal decomposition of ammonium bichromate. There is no doubt that Chrome Oxide Green Refractory can clarify everything. That's for sure.
Now, let us speak something about characteristics or attributes of Chromium Oxide Green. Usually speaking, as some of us know, chrome oxide green is using the feature of higher temperature resistance, light resistance. What’s much more, it's with resistance to various chemical substances. What’s much more, if we make use of pure chrome oxide green, it's with the same infrared reflection as all-natural chlorophyll.
Speaking of the molecular weight of the Chrome oxide green, its molecular weight may be 151.99. what’s much more, it belongs to six square crystal system and it's with the shape of green powder. Consequently, we can also call it as Chrome Oxide Green Refractory powder. By the way, the density of Chromium Oxide Green may be five.21g/cm3, and its Mohs hardness may be eight.5~9, which is close towards the alumina (Al2O3) and second only to diamond. But its Mohs hardness is greater than silica and topaz al2 [SiO4] (F, oh) two and zircon (ZrSiO4).
As for the refractive index of Chrome Oxide Green Pigment , its refractive index can be 2.five (coverage). And its particular heat (when the temperature is twenty degree) can be 0.17J/ (G - K).
What’s more, chrome oxide green is insoluble in water, acid and organic solvents. But it is slightly soluble in concentrated sodium hydroxide solution. What’s much more, it could be dissolved in hot sodium bromate solution and heat concentrated perchloric acid solution or boiling parathion mixed acid.
Around the other hand, Chrome Oxide Green Dye is very steady for light, air, and corrosive gases (H2S, SO2). What’s much more, chrome oxide green is with excellent weatherability. To be particular, when Green Chrome Oxide meets heat, it has great stability. Additionally, the melting point of chrome oxide green may be 2265 DEG C and also the boiling point can be 3000 DEG C. That is why we are able to say that chrome oxide green is really a kind of things which belongs to high-quality refractory materials. Chromic oxide is primarily used in metallurgy, paint, polishing, refractory materials and new development of molten coating(which can be called Chrome oxide green coating) and so on.

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