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The influence of basicity on oxygen activity and antimony oxide fining efficiency in alkali alkaline earth aluminosilicate glasses
RISE, SP – Sveriges Tekniska Forskningsinstitut, Glafo Glasforskningsinstitutet.
2009 (Engelska)Ingår i: Glass Technology: European Journal of Glass Science and Technology Part A, ISSN 1753-3554, Vol. 50, nr 5, s. 241-246Artikel i tidskrift (Refereegranskat)
Abstract [en]

The number of bubbles was monitored in antimony oxide fined R 2O-MxOy-SiO2 and R 2O-CaO-Al2O3-SiO2 glasses (R=Na, K; M=Ca, Mg, Ba, Sr, Zn, B, Al, Ti, x=1 or 2, y=1, 2 or 3) in order to evaluate the fining efficiency. Electrochemical measurements of oxygen activity were used to, in situ, monitor the fining characteristics and conditions in some of the investigated glass melts. The results showed that an increase of the calculated optical basicity was related to an increased number of bubbles in the glass samples. The oxygen activity in the melt during fining decreased with increased optical basicity.

Ort, förlag, år, upplaga, sidor
2009. Vol. 50, nr 5, s. 241-246
Nyckelord [en]
Chemical engineering
Nyckelord [sv]
Kemiteknik
Nationell ämneskategori
Kemiteknik
Identifikatorer
URN: urn:nbn:se:ri:diva-911Scopus ID: 2-s2.0-77952752357OAI: oai:DiVA.org:ri-911DiVA, id: diva2:958452
Tillgänglig från: 2016-09-07 Skapad: 2016-09-07Bibliografiskt granskad

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