It is also possible to employ zirconia and alumina.
The material now used for the oxide rod or "glower" of Nernst lamps is a mixture of zirconia and yttria, made into a paste and squirted or pressed into slender rods.
Zirconia has the drawback that in the hottest part of the flame it is liable not only to shrinkage and semi-fusion, but also to slow volatilization, and the same objections hold good with respect to alumina.
In the white zirconia there is less iron and more silica.
Later lamps consisted of "glowers" about one inch long made from a mixture of zirconia and yttria, and finally a mixture of ceria, thoria, and zirconiawas used.
In Paris there was a serious attempt at street-lighting by the use of buttons of zirconia heated in an oxygen-coal-gas flame, but it proved unsuccessful owing to the rapid deterioration of the buttons.
They glowed like the "zirconia lights" of a lighthouse.
With the heat gun he sheared off their tentacles; he could sell the zirconia in the entities.
Microcosmic salt does not dissolve so much zirconia as glucina, and is more prone to give a turbid bead.
To recognize zirconia in compounds we must resort to fluid analysis.
Zirconia yields with nitrate of cobalt, when ignited, an infusible black mass.
A coating of zirconia or any other oxide, for instance, is far more quickly destroyed.
With a diamond, carborundum or zirconia button the photosphere can be as much as one thousand times the volume of the button.
The zirconia will be in solution, and is recovered by precipitating with potassium sulphate, or by evaporating the solution and igniting.
It may be separated from zirconia by the action of sodium carbonate, which precipitates both; but when concentrated, redissolves the zirconia.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "zirconia" in a variety of sentences. We hope that you will now be able to make sentences using this word.
