Society of Glass Technology · [Sheffield] · leaf 126
eries con-taining the lesser amount of alkaline oxides. Thus in the firstseries the mean rise in density per molecule of CaO added is THE DEVELOPMENT OP VARIOUS TYPES OF GLASS. PART IV. 61 00045, and in the second series it is 0-0064. Thus CaO has thegreater effect upon density in glasses of this… … 10 15 20 Molecules CaO.Fig. 1. Table IV.Series 100SiO2,20Na2O,20K2O,xCaO. Series 100SiO2,10Na2O,10K2O,;zCaO. 10* X rise in 104xrisein 10* X rise in Mole- density per density per Mole density per cules of mol. of CaO 1 per cent, of cules molecule of CaO. added. CaO added. of CaO. CaO added. 5—10 54…
Glass
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