The Collaborative International Dictionary of English v.0.48:

Mercurification \Mer*cu`ri*fi*ca"tion\, n. [Cf. F.
   mercurification. See Mercurify.]
   1. (Metal.) The process or operation of obtaining the
      mercury, in its fluid form, from mercuric minerals.
      [1913 Webster]

   2. (Chem.) The act or process of compounding, or the state of
      being compounded, with mercury. [R.]
      [1913 Webster]