Table 2.

Element distribution of CZA-L and CZA-H catalysts.

Element	CZA-L			CZA-H
	Wt% (Expect)	EDX (Wt%)	ICP-MS (Wt%)	Wt% (Expect)	EDX (Wt%)	ICP-MS (Wt%)
Cu	39	42.3	35.8	65	70.0	71.8
Zn	49	53.0	59.7	22	24.5	24.5
Al	12	4.7	4.5	13	5.5	3.7
Cu/Zn	0.8	0.8	0.8	3.0	2.9	3.0