3225.     ---------------.  [SMITTENBERG, J.]  [Absorption and Adsorption of Hydrogen by Nickel.]  Rev. trav. chim., vo. 53, 1934, p. 1065-1083; Chem. Abs., vol. 29, 1935, p. 977.

        Adsorption of H₂ by Ni in the form of wire 0.022 mm. diameter gives data in good agreement with those found by Sieverts.  Adsorption is very small even at 90° abs.  The heat of absorption is calculated to be -2.62 ky-cal.  Certain hysteresis effects are ascribed to impurities in the Ni.  A test on adsorption also was made with A as the gas.  A test on adsorption also was made with A as the gas.  Sorption of H₂ and He with temperature was also found from 90° to 800° abs.