Category:Stannic

Stan"nic, a. Etym: [l. stannum tin: cf. F. stannique.] (chem.)

Defn: of or pertaining to tin; derived from or containing tin; Specifically, designating those compounds in which the element has a Higher valence as contrasted with stannous compounds. Stannic acid. (a) a hypothetical substance, sn(oh)4, analogous to silic acid, and Called also normal stannic acid. (b) metastannic acid. -- stannic chloride, a thin, colorless, fuming liquid, sncl4, used As a mordant in calico printing and dyeing; -- formerly called spirit Of tin, or fuming liquor of libavius. -- stannic oxide, tin oxide, sno2, produced artificially as a white Amorphous powder, and occurring naturally in the mineral cassiterite. It is used in the manufacture of white enamels, and, under the name Of putty powder, for polishing glass, etc.