𝔖 Bobbio Scriptorium
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Un nouvel instrument d'optique cristalline

✍ Scribed by Dupuis, Roger

Publisher
Springer-Verlag
Year
1953
Weight
543 KB
Volume
40
Category
Article
ISSN
0369-2795

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📜 SIMILAR VOLUMES

Un nouvel ultraphosphate: CaYP7O20—prépa
Un nouvel ultraphosphate: CaYP7O20—préparation et structure cristalline
✍ Aliou Hamady; Tahar Jouini 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 164 KB

The general formula of the unambiguously characterized ultraphosphate anions is \(\left[\mathrm{P}_{(n+2)} \mathrm{O}_{(3 n+5)}\right]^{n-}\). Such anions are well known for \(n=2,3,4\), and 6 . The member corresponding to \(n=5\) with calcium and yttrium cations has been just prepared. Calcium yttr