119.    BACH, A.  [Reduction, Electrolysis, and Photolysis of Carbonic Anhydride.]  Compt. rend., vol. 126, 1898, pp. 479-481; Jour. Chem. Soc., vol. 2, 1898, p. 332.

                  It is found that when CO₂ in aqueous solution is reduced by means of H₂ occluded in Pd, some CH₂O is also produced.