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. 2021 Apr 5;11(8):4784–4798. doi: 10.1021/acscatal.0c05027

Figure 3.

Figure 3

Surface characterization of PrOx-promoted Co-based FT catalysts. (a) X-ray photoelectron spectrum in the Co 2p and Pr 3d5/2 spectral regions for 1.0Pr-CoRu/AOmM after H2 reduction. (b) Cobalt-specific H2 chemisorption uptake for the series of Pr-CoRu/AOmM catalysts supported on multimodal meso-macroporous γ-Al2O3 as a function of the surface-specific praseodymium content. Error bars correspond to the standard error as determined from three independent chemisorption experiments on selected catalysts. The line is meant as a guide to the eye and it applies to the series of Pr-CoRu/AOmM catalysts.