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Synthesis and Characterization of a New Layered Lithium Zinc Phosphate Hydrate

โœ Scribed by A. Bensalem


Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
306 KB
Volume
162
Category
Article
ISSN
0022-4596

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โœฆ Synopsis


A new layered lithium zinc phosphate hydrate, Li 2 Zn(HPO 4 ) 2 ' 0.66H 2 O, isostructural with Na 2 Zn(HPO 4 ) 2 '4H 2 O was prepared by the direct ambient pressure and temperature reaction between zinc 2,4-pentanedionate, phosphoric acid, and lithium hydroxide. The as-prepared sample is monoclinic (a โ€ซุโ€ฌ 8.896(8) A s , b โ€ซุโ€ฌ 13.092(5) A s , c โ€ซุโ€ฌ 10.882(9) A s , and โ€ซุโ€ฌ 115.760( 6)3). The prepared solid undergoes three thermal transformations when it is heated from 110 to 6003C. The 5rst two transformations are due to the release of intercalated water molecules and the third one is due to the HPO 2ุŠ 4 +P 2 O 4ุŠ 7 transition.


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