The Chemical Analysis of a Soda–Boric Oxide–Alumina–Silica Glass of High Silica and Boric Oxide Content

JSGT 1950 V34 T305-T309

 As in the case of the soda–lime–magnesia–silica glass (designated as Standard Glass No. 1), the results obtained from the many analyses for which the agreed methods were used were treated statistically, and the most probable values for the percentages of the various constituents in the soda–boric oxide–alumina–silica glass of the Pyrex chemical glass type were derived. A large stock of this glass was prepared and designated as standard glass No. 2.

CHEMICAL ANALYSIS COMMITTEE