A high temperature Knudsen effusion method was used to study the composition of vapour and partial vapour pressures of species in multicomponent borosilicate glasses. Data on the activities of metaborates of alkali metals were obtained. Using an acid-base concept the relative volatility of these gla
Mass spectrometric study of the vaporization of sodium borosilicate glasses
โ Scribed by Mitsuru Asano; Yoshihiko Yasue
- Publisher
- Elsevier Science
- Year
- 1986
- Tongue
- English
- Weight
- 725 KB
- Volume
- 138
- Category
- Article
- ISSN
- 0022-3115
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The vaporization behavior of boron phosphate has been studied by using Knudsen effusion mass spectrometry. The vapor over BPO 4 consists of B 2 O 3 , P 4 O 10 , PO 2 , BPO 4 (platinum cell) and B 2 O 3 , PO, PO 2 , BPO 3 , BPO 4 (molybdenum cell). Standard enthalpies of formation and atomization (kJ