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6175771 
Journal Article 
Characterization of dioxymethylene species over cu-zn catalysts 
Chaumette, P; Chauvin, C; Hindermann, JP; Idriss, H; Kieffer, R; Kiennemann, A; Lavalley, JC; Vallet, A 
1987 
42 
2 
205-213 
Dioxymethylenic species have been characterized upon adsorption of formaldehyde on zinc aluminate and copper supported on zinc aluminate, by both FTIR spectroscopy and chemical trapping. Dioxymethylene could be an intermediate in the synthesis of methanol on these catalysts in CO + H2 and CO2 + H2 reactions, as shown by chemical trapping experiments.