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Fig. 6. XRD patterns of carrier SAC and of the fresh and deactivated Au and Au-based catalysts. (A): (a) SAC (b) fresh 1 wt% Au/SAC catalyst (c) fresh Au1La1/SAC catalyst (d) fresh Au1Co(II)1/SAC catalyst (e) fresh Au1Co(III)1/SAC catalyst. (B): (a) deactivated 1 wt% Au/SAC catalyst (b) deactivated Au1Co(II)1/SAC catalyst (c) deactivated Au1Co(III)1/SAC catalyst (d) deactivated Au1La1/SAC catalyst.

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