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Crystal Structures of Vacuum-Dehydrated Ni 2+ -Exchanged Zeolite Y (FAU, Si/Al = 1.69) Containing Three-Coordinate Ni 2+ , Ni 8 O 4 · x H 2 O 8+ , x ≤ 4, Clusters with Near Cubic Ni 4 O 4 Cores, and H +

✍ Scribed by Kim, Cheol Woong; Jung, Ki Jin; Heo, Nam Ho; Kim, Seok Han; Hong, Suk Bong; Seff, Karl


Book ID
126989114
Publisher
American Chemical Society
Year
2009
Tongue
English
Weight
614 KB
Volume
113
Category
Article
ISSN
1932-7447

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Crystal structure of zeolite X nickel(II
✍ Donghan Bae; Karl Seff 📂 Article 📅 2000 🏛 Elsevier Science 🌐 English ⚖ 355 KB

Complete Ni 2 exchange of a single crystal of zeolite X of composition Na 92 Si 100 Al 92 O 384 per unit cell was attempted at 73°C with ¯owing aqueous 0.05 M NiCl 2 (pH 4X3 at 23°C). After partial dehydration at 23°C and %10 À3 Torr for two days, its structure, now of composition Ni 2 (NiOH) 35 (Ni