摘要 |
A compound of formula (Na0.33A0.66)2B2O7-δ wherein A is one or more metals chosen from the lanthanide metals; B is one or more metals chosen from Ti, Sn, Ge, Ru, Mn, Ir, Os and Pb; and δ is a number in the range 0-1 is disclosed. Water gas shift catalysts comprising precious metals such as gold dispersed on the (Na0.33A0.66)2B2O7-δ compound are also disclosed.
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