Porous glass

Ternary Phase diagram in the sodium borosilicate system

$Same porous glass as above, but dry. The increased difference between the refractive indices glass/air as compared to glass/water is causing greater whiteness based on the Tyndall effect.$

Porous glass is glass that includes pores, usually in the nanometre- or micrometre-range, commonly prepared by one of the following processes: through metastable phase separation in borosilicate glasses (such as in the system SiO₂-B₂O₃-Na₂O), followed by liquid extraction of one of the formed phases; through the sol-gel process; or simply by sintering glass powder.

单词	Porous glass
释义	Porous glass 英语百科 Porous glass $Same porous glass as above, but dry. The increased difference between the refractive indices glass/air as compared to glass/water is causing greater whiteness based on the Tyndall effect.$ Porous glass is glass that includes pores, usually in the nanometre- or micrometre-range, commonly prepared by one of the following processes: through metastable phase separation in borosilicate glasses (such as in the system SiO₂-B₂O₃-Na₂O), followed by liquid extraction of one of the formed phases; through the sol-gel process; or simply by sintering glass powder.
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