Important: Safety Warning
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 › The Art Of Dyeing › Sky Blue Dye for Cotton Goods
Sky Blue Dye for Cotton Goods
To dye 10 pounds of cotton, first bleach the cotton (see No. 125); then, to a tub of cold water sufficient to work the goods easily, add + pint nitrate of iron, and work in this for 20 minutes; wring out, and pass through a tub of clean water. Into another tub of cold water add 4 ounces ferrocyanide of potassium in solution, and about a wine-glassful of sulphuric acid; work the goods in this for 15