<skos:note xml:lang="en">Alkaline solution made from ammonia, which is highly soluble in water, typically containing about 28.5% ammonia by weight. Ammonium hydroxide is a colorless, alkaline liquid with a pungent ammonia odor. Household ammonia water contains about 10% ammonia by weight. Ammonium hydroxide solutions are used as cleansers and detergents, paint strippers, to stain wood, to extract color from grass and lichens in producing a green dye.</skos:note>