Society of Glass Technology · [Sheffield] · leaf 263
in some cases three 198 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. or four times, and the mean of the solubility values was taken. Itwas found that if several different melts were done with the samebatch, the conditions of time and temperature being kept the sameas far as possible, and the… … 150 10%Na2O0%K2O 0%Na2O10%K9O Percentage alkali. between two results was seldom more than 5 per cent., and wasprobably due to the fact that no two batches had exactly similarattacks upon the pot or suffered exactly similar volatilisation losses.Thus the final glasses obtained from like batches…
Glass
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