Effect of the Gel Pulverizing Process on the Morphology of the As Synthesized Quartz Powder


The gel-pulverizing process on the morphology of the as-synthesized quartz powders. Three hours after the ion exchange process, SiO2 sol was changed into a single lump of gel; when subjected to the gel-pulverizing process, the gel lump was separated into many gel lumps of several mm. In addition, the morphology of the quartz powder synthesized via the gel-pulverizing process was very different from that produced without the gel-pulverizing process, as is shown in the SEM images. The morphology of the quartz powder synthesized from the gel without the pulverizing process was rod-shaped, and their widths and lengths were a few hundred micrometers and a few centimeters, respectively. On the other hand, the powder synthesized with the gel = pulverizing process was granular-shaped, and their widths and lengths ranged from 50 to 400 μmm. Interestingly, however, no difference in the crystallinities of the two groups of quartz powders was observed, as they showed the same peaks in the rocking curve of the XRD pattern as normal SiO2. Effect of gel-pulverizing process on the morphology of as-synthesized quartz powder. (a,b) Photographs of hydrogels with and without pulverizing process, respectively. (c,d) SEM images of quartz powder samples synthesized with and without pulverizing process, respectively. If you are looking for high quality, high purity, and cost-effective Quartz powder, or if you require the latest price of Quartz powder, please feel free to email contact mis-asia.

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