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The control and optimization of the glass-making process is a serious problem in glass production. An EGD procedure involving high-temperature vacuum extraction and total pressure measurement allows determination of the fining state (Läuterzustand) and fining behaviour (Läuterverhalten). The fining state is characterized by the contents of CO2, N2 and other gases from the batch reactions, and gas inclusions. Oxygen evolved in a second step is characteristic for the fining behaviour.

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Untersuchungen zur thermischen Zersetzung von Boraten

I. Untersuchungen an borax (Na2 B4O5 (OH)4).8H2O

Journal of Thermal Analysis and Calorimetry
Authors: E. Hartung, K. Heide, R. Naumann, K. Jost, and W. Hilmer
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