ACIDITY AND CATALYTIC ACTIVITY OF KEGGIN STRUCTURE HETEROPOLYACIDS——EFFECT OF CENTRAL ATOM IN H_αXW₁₂O₄₀

• Chang Wen HU ^1, ,
• Yan Yong LIU ^1, ,
• En Bo WANG ^1, ,
• M. HASHIMOTO ^2, ,
• T. OKUHARA ^2, ,
• M. MISONO ^2,

• 1.

  Department of Chemistry, northeast Normal University, Changchun 130024;

• 2.

  Department of Synthesis Chemistry, Faculty of Engineering, Tokyo University, Tokyo 113, Japan

• Received Date: 05 February 1994