On adding an acid to the filtered solution a brown precipitate of the sulphide is produced.
The solution obtained in water is coagulated by heat, the colour entirely destroyed, and a flocculent muddy-brown precipitate formed.
Hager analysed a turbid brownish fluid, which deposited a brown precipitate on standing, and when filtered consisted of a decoction of burdock root with 20 per cent.
Cyanide of potassium gives a yellowish-brown precipitate, soluble in excess; and the clear solution, after being boiled, is unaffected when mixed with hydrochloric acid.
Ammonium sulphide also gives a blackish-brown precipitate, which completely redissolves in a large excess of the precipitant, provided the latter contains an excess of sulphur.
Sulphuretted hydrogen produces a brown precipitate, soluble in sulphide of ammonium, in presence of tin.
A flocculent reddish-brown precipitate shows no alkali is present.
Much caramel produces a dark-brown precipitate in the cold, and is hastened by slightly heating.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "brown precipitate" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
