Society of Glass Technology · [Sheffield] · leaf 74
the density of glass can be calculated fromthe densities of the constituent oxides is in error, and the equationof Winkelmann and Schott for the calculation of density is ofno use where extreme glasses are concerned, that is, glassescontaining an abnormal amount of any constituent oxide. The curves… … 2-30 / / Relation betweencomposition AND Density 90 80 70 60 Percentage silica.Fig. 1. the variation of density with the increase in Na^O molecules* (thesilica molecules being taken as 100 in each case). Curve II shows Owing to volatilisation during melting and to pot attack, the actual…
Glass
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
