Note 234 — Chapter VII · PHYSICAL OR HETEROGENEOUS EQUILIBRIUM.—THE COLLOIDAL CONDITION
Reading edition
A 1 / 1000 solution of AuCl3, 2 aq., and a 1.2 / 1000 solution of SnCl2, 2 aq., may be used conveniently. When equal volumes of the solutions are mixed, the desired precipitate is formed.