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A New Synthetic Route for the Layered Phosphate: Solid-State Reaction and Characterization of α-Sn(HPO4)2·H2O

✍ Scribed by Jinxi Chen; Mingguang Liu; Hongjun Pan; Shaofan Lin; Xinquan Xin

Publisher: Elsevier Science
Year: 2001
Tongue: English
Weight: 285 KB
Volume: 159
Category: Article
ISSN: 0022-4596
DOI: 10.1006/jssc.2001.9140

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✦ Synopsis

A new synthetic route for the layered phosphate -Sn(HPO 4 ) 2 ' H 2 O, obtained from solid-state reaction of SnCl 4 ' 5H 2 O and P 2 O 5 at a lower heating temperature, is reported. The 5nal product was characterized by ICP, TGA+DTA, FT+IR, 31 P MAS NMR, and XRD. The BET measurement showed that the surface area of the product is 27.6 m 2 /g. The X-ray powder di4raction pattern matched the calculated powder pattern. Twenty lines (53 < 2 < 1003) were indexed to give the unit cell parameters a ‫؍‬ 8.6185(3) A > , b ‫؍‬ 4.9743(5) A > , c ‫؍‬ 15.6165(4) A > , ‫؍‬ 100.42(1)3 which agree well with the structural parameters previously determined by S. Bruque et al.

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Synthesis, Crystal Structure, and Solid State NMR Spectroscopy of (C10N4H28)[Zn6(HPO4)2(PO4)4]·2H2O, a New Zinc Phosphate with a Layer Structure

✍ Yung-Ping Chiang; Hsien-Ming Kao; Kwang-Hwa Lii 📂 Article 📅 2001 🏛 Elsevier Science 🌐 English ⚖ 491 KB

A new zinc phosphate, (C 10 N 4 H 28 )[Zn 6 (HPO 4 ) 2 (PO 4 ) 4 ] ' 2H 2 O, with a layered architecture has been synthesized, for the 5rst time, in the presence of 1,4-bis(3-aminopropyl)piperazine as the structure-directing agent. The structure comprises a network of ZnO 4 and phosphate tetrahedra