Dark blue nano tungsten oxide, which may be applied for preparing nano-ceramic color master, can be produced by using ammonium paratungstate (APT) as a precursor. Among them, some scholars believe that the quality of APT has a fundamental impact on the quality of blue tungsten oxide. Some scholars have also found through comparison experiments that the morphology and particle size of the raw material APT have strong inheritance to blue tungsten oxide powder obtained by reduction. Besides, some scholars have pointed out that the influence of the precursor APT on quality of blue tungsten oxide can also affect the performance of the subsequent doped tungsten wire.
According to relative data, it is necessary to do more detailed preparatory work if the ammonium paratungstate (APT) is used as a precursor for the production of blue tungsten oxide and yellow tungsten oxide. That is to say, not only the subdivision of APT is required, but also the division criteria for yellow tungsten oxide and blue tungsten oxide produced by different ammonium paratungstate materials are necessary. On this basis, through the introduction, digestion, absorption and innovation of the subsequent doping, sintering and deep processing wire technology, it is expected to become the leader in the production and technology of AKS-doped tungsten wire in China. And it will achieve significant economic and social benefits.
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