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Aerogels amorphous nature

An amorphous flnely divided silica having some of the characteristics of silica aerogel occurs in Japan. It was formed by the action of natural H2SO4 solution on volcanic silicates. The amorphous character is confirmed by absence of X-ray pattern, high surface area, and solubility in 2 JV NaOH at 100 C (492). [Pg.569]

See other pages where Aerogels amorphous nature is mentioned: [Pg.726]    [Pg.193]    [Pg.527]    [Pg.303]    [Pg.422]    [Pg.266]    [Pg.22]    [Pg.65]    [Pg.551]    [Pg.58]    [Pg.1647]    [Pg.194]    [Pg.383]    [Pg.211]    [Pg.724]    [Pg.626]    [Pg.235]    [Pg.236]    [Pg.368]    [Pg.369]    [Pg.442]    [Pg.672]    [Pg.294]    [Pg.172]   
See also in sourсe #XX -- [ Pg.193 ]



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