stannate of potassium

Chem.: K2SnO3. Prepared by di olving stannic acid in potash-ley, and evaporating over sulphuric acid. It is gummy, uncrystallizable, and strongly alkaline, very soluble in water, but insoluble in alcohol. stannate of sodium, s. Chem.: Na2SnO3. Prepared by di olving stannic acid in soda-ley, and evaporating over sulphuric acid. It is a crystallo-granular body, and is le soluble in warm than in cold water, insoluble in alcohol. Used in calico-printing as a mordant, chiefly for mixtures of wool and cotton. stăn'-nel, *stăn'-yel, *stăn'-nell, s . [Prob. a corrupt. of stand - gale , from the habit which the bird has of sustaining itself in one position, with its head to the wind, by a rapid motion of the wings; cf. its other name, Wind-hover.] The Kestrel (q.v.). Called also Staniel, Stanyel, Stannyel, Stone-gale. "To prevent this daunger, therefore, the doves need to have with them the bird which is called Tinnunculus, i . i.e., a kestrill, or stannell ."- P . Holland: Pliny , bk. x., ch. xxxvii.