Preparation of nano-silica rice husk ash from kasa can, which contains silica, high volume. As a result, it was found that there is an unconscious XRD base. There is also a lot of surface area and 20 nm size BET and TEM., respectively. When burning at 800 C, it was found that the Internet and free-phase calcium car telling lime. Later, add temperature 1000 C found that B-dicalcium silicate Beethoven born.
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