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单铌和单过氧铌杂多配合物的合成、表征及催化性能

Rong-Hua MA,Chun-Tao LIU,Lun-Yu QU

CHINESE JOURNAL OF APPLIED CHEMISTRY（2000）

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Abstract
合成了新的单过氧铌钨磷杂多酸盐MnH4-n[PW11(NbO2)O39 ]·xH2O(M=Me4N+-(TMA),Et4N+(TEA),Bu4N+(TBA),Hep4N+(THA ))和单铌取代钨磷酸盐M4[PW11NbO40]·xH2O(M=TBA,THA和K+). IR和UV光谱、极谱I--S2O2-3滴定证明[PW11(NbO2)O39] 4-中有NbO2基存在,183W NMR数据指出杂多阴离子中有6种环境的钨原子 ,证明其阴离子仍保持Keggin结构. 实验表明,过氧杂多配合物的催化活性高于非过氧杂多配合物.
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