The Collaborative International Dictionary
Stannous chloride
Stannous \Stan"nous\ (-n[u^]s), a. (Chem.) Pertaining to, or containing, tin; specifically, designating those compounds in which the element has a lower valence as contrasted with stannic compounds.
Stannous chloride (Chem.), a white crystalline substance, SnCl2.(H2O)2, obtained by dissolving tin in hydrochloric acid. It is used as a mordant in dyeing.
Usage examples of "stannous chloride".
And cellulose acetate, which was very cheap, was another one we couldn't plate at first, though we finally discovered that putting it in sodium hydroxide for a little while before using the stannous chloride made it plate very well.