In typical natural conditions normalized corrosion rates of silicate glasses are very low and are of the order of 10 " 7 10 " 5 g / ( cm 2 �d ).
32.
In 1879 the young glass engineer Otto Schott sent Abbe glass samples with a special composition ( lithium silicate glass ) that he had prepared himself and that he hoped to show special optical properties.
33.
Instead of the SiO 4 tetrahedra observed in silicate glasses, the building block for this glass former is phosphorus pentoxide ( P 2 O 5 ), which crystallizes in at least four different forms.
34.
In silicate glasses, dealkalized surfaces are also often considered silica-rich since the selective removal of alkali ions can be thought to leave behind a surface composed primarily of silica ( SiO 2 ).
35.
"' Refmex GL Glass "'is a Mexican manufacturer of high-quality industrial glass products, its main markets are borosilicate glass, f-silicate glass, and Quartz glass made for the use of Industries.
36.
In the 1950 1960 on the basis of representative series of glasses M . Shultz with collaborators estimated the impact of the third component on electrode properties of alkaline-silicate glasses ( practically any element of the periodical system of D . I . Mendeleev, capable to be present at glass, was involved as that component ).
