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Synthesis and Characterization of the Dualisitic Containing Mdybdmun Heterpoly Acid

Author: ZhaoXin
Tutor: YaoKaLing；WuJiGui
School: Lanzhou University
Course: Inorganic Chemistry
Keywords: Heteropoly compounds Synthesis Characterization
CLC: O614.612
Type: Master's thesis
Year: 2007
Downloads: 114
Quote: 0
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Abstract


This thesis consists of the following five components : 1 Summary describes the the heteropoly compounds the history, structure , classification and future development direction , and some molybdenum polyoxometalates , bi-capped Keggin type structure heteropoly compounds, organic - inorganic polyoxometalates , molybdenum, rare earth binary heteropoly compounds were simple conclusion . 2. Novel bi-capped Keggin type structure of molybdenum chromium heteropoly compound synthesis and characterization . The first synthesis of a high price of molybdenum transition metal Cr (Ⅵ) family heteropoly compounds (NH 4 ) 6 [CrMo 14 O < sub> 42 ] (OH) 12 · 12H 2 O · 1.5 KBrO 3 , and by means of IR, UV, TG- DTA , X powder diffraction , elemental analysis to characterize its structure , suggesting its Keggin structure . 3. Heteropoly molybdenum nickel glycine synthesis and characterization of compounds . The first synthesis of novel organic - inorganic hybrid nickel containing the same multi- compound Ni ( H 2 O ) 4 (Gly) [ Mo 4 O < sub> 12 (OH) 2 ] · 2H 2 O, and by IR, UV , TG- DTA , X powder diffraction is elemental analysis of its structure characterized . 4. The synthesis and characterization of rare earth - molybdenum two yuan heteropoly salt . This article was first synthesized by precipitation the four composition formula for K 8 < / sub> H the [ the LnMo 12 O 42 ] · 40H 2 < / sub> O (Ln = La, Pr, Nd, Sm) of the rare earth heteropoly acid salt, and by elemental analysis, chemical analysis , IR , UV , TG -DTA , the X- powder diffraction properties of also studied their solubility , suggesting its possible structure . 5. Na 7 [IW 6 O 24 ] · 8H 2 O the synthesis and characterization . Synthesized a new Anderson structure heteropoly compounds, and to be a series of analysis and characterization , such as : infrared spectroscopy ( IR ) , ultraviolet spectrum ( UV ) , elemental analysis , atomic emission spectroscopy (ICP ) thermal gravimetric analysis ( TG ), X - powder diffraction (XRD) . Determine its formula Na 7 6 O 24 < / sub > ] · 8H 2 O . The compound is also a iodine Anderson structure heteropoly compounds .

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CLC: > Mathematical sciences and chemical > Chemistry > Inorganic Chemistry > Metal elements and their compounds > Part Ⅵ group metal elements and their compounds > The chromium Vice family ( Ⅵ B group metal elements) > Mo Mo
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