The Collaborative International Dictionary of English v.0.48:

Alkalify \Al"ka*li*fy\ (?; 277), v. t. [imp. & p. p.
   Alkalified; p. pr. & vb. n. Alkalifying.] [Alkali + -fly:
   cf. F. alcalifier.]
   To convert into an alkali; to give alkaline properties to.
   [1913 Webster]