On The Surface Chemistry Of Barium Borosilicate Glass In Aqueous Solutions

The wetting behaviour of barium borosilicate glass surfaces in aqueous solutions is different from that of other silicate glasses. Simple dipping in an acidic environment does not lead to a surface quality that is useful for the deposition of wet chemical coatings. In order to study the reason for this difference the surface processes on quartz glass HE1 (from Heraeus), optical glass B270 (from Schott) and barium borosilicate glass 7059 (from Corning) were studied with RT-IR spectrosocpy, UV-vis spectroscopy and thermal desorption analysis techniques. Together with thermodynamic calculations these physical analysis methods proved to be useful in understanding phenomena that occurred at the glass surface of barium borosilicate glass.