Kenji Ono1, Tomoo Matsushima1 and Tsutomu Ito1
1Research Institute of Mineral Dressing and Metallurgy, Tohoku University, Sendai
The reaction between aluminum and sodium fluoride was studied by means of differential thermal analysis and X-ray analysis.
It was noticed that the reaction proceeded in considerable degree through the formation of sodium vapor and cryolite by the reaction of molten aluminum and solid sodium fluoride at a reduced pressure above 1020° to 1150°K.
The reaction proceeded as follows:
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