367.     ------.  [BRODIE, B. C.]  Formaldehyde Synthesis.  Angew. Chem., vol. 174, 1874, p. 284.

                  On passing an electric current through a mixture of CO₂ and H₂ about 5.2% of HCHO was detected in the end gas, and with CO and H₂, only CH₄ and CO₂ were obtained.