99.95% Blue Tungsten Oxide

99.95% blue tungsten oxide is a higher grade of blue tungsten oxide powder with oxygen index of 2.73~2.87.

The variation of oxygen atom number in 99.95% blue tungsten oxide is usually characterized by oxygen index. The oxygen index reflects the content of tungsten in the product. The smaller the oxygen index, the higher the tungsten content, and vice versa.

Blue tungsten oxide (BTO) is a product of a reducing agent and a tungsten compound. The composition of BTO is very complicated. There are intermediate oxides such as WO2, W4O11, W8O23, and W10O29 in BTO. Some data suggest that solid solutions may be formed in WO3~WO2.

It is of great importance to determine the oxygen index of blue tungsten oxide as the composition of blue tungsten oxide is very complicated. According to the standard of blue tungsten oxide, if the purity of blue tungsten oxide is 99.95% and the content of tungsten should reach 80.00%~80.80%. To make:

Therefore, the oxygen index in 99.95% blue tungsten oxide is between 2.73 and 2.87.

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