The difference between silica and fumed silica and nano-silica
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The difference between silica and fumed silica and nano-silica
Silica is a general term, including all crystalline amorphous forms, such as quartz, silica, etc. Fumed silica is an amorphous amorphous silica, also known as fumed silica, which is called this name mainly because the preparation process is a gas phase process. Nano-silica is also amorphous silica, and the particle size is nano-scale. This concept is only defined from the particle size of silica, so fumed silica is also nano-dioxide in terms of particle size. silicon.
