Society of Glass Technology · [Sheffield] · leaf 88
ies I00SiO2,40Na ,0,a;CaO. Series 100SiO2,20Na 20,xCaO. Rise in Rise in Rise in Rise in density per density per density per density per Mols. mol. 1 per cent. Mols. mol. 1 per cent CaO. CaO( X 104). CaO( X 104). CaO. CaO( X 104). CaO( X 104). 5-10 60 99 5-10 92 133 10-15 52 92 10-15 82 127 15-20 50… … 15 20 Molecules CaO. Fig. 1. (8) It is evident that density is largely additive in its nature,but this additive relation is not a simple one, being modified accord-ing to the constitution of the glass, that is, it is also to some extenta constitutive property. (9) If an attempt is made to calculate…
Glass
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