Democratic Sentinel, Volume 19, Number 20, Rensselaer, Jasper County, 24 May 1895 — Wood Stains. [ARTICLE]

Wood Stains.

A solution of fifty parts of commercial alizarin in 1,000 parts of water, to which a solution of ammonia has been added drop by drop until a perceptible ammonia odor is developed, will give to fir and oak a yellow-brown color and to maple a red-brown. If the wood is then treated to a 1 per cent, aqueous barium chloride solution, the first named becomes brown and the latter a dark brown. If calcium chloride be used instead of barium chloride, the fir becomes brown, the. oak red-brown and the maple a dark brown. If a 2 per cent, aqueous solution of magnesium sulphate be used, the fir and oak become dark brown and the maple a dark vio-let-brown. Alum and aluminum sulphate produce on the fir reddish brown and on oak and maple a blood red. Chrome alum colors maple and fir reddish brown and oak Havana brown. Finally, manganese sulphate renders fir and maple a beautiful dark violetbrown and oak a dark walnut-brown.-Scientific American.