Important: Safety Warning
This page contains instructions involving gunpowder or other explosive or pyrotechnic compositions. Preparing explosives as described has caused severe injuries and deaths, and is illegal in most places.
In addition, this page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
This information has been left in for historical purposes but should not be acted upon.
Home › Aniline Colors › To Dye with Picric Acid
To Dye with Picric Acid
Dis- be rendered alkaline by borax. The fabric solve 1 pound picric acid in 1 gallon of alcohol should be well worked about between each specific gravity .8200. The dye bath requires addition of the color; the temperature must no addition, or special precaution. This color be kept under 212° Fahr. If the right probe kept under 212 Fahr. If the right prois used to produce shades of lemon and canary portion of borax has been used the goods will which cannot be attained by the aniline yellow show but little color when removed from the or phosphine. Its chief use is for dyeing bath. To develop this, wash with water and green. For this purpose pass the fabric through a bath containing sulphuric acid and alum, adding, after thorough immersion, a sufficient quantity of solution of picric acid and indigo extract (sec No. 99) to produce the desired shade.