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Home › Pigments › Mulder's Colorless Drying Oil
Mulder's Colorless Drying Oil
Boil linseed oil for two hours with 3 per cent.
Next dissolve 7 parts gold in an aqua-regia is then taken from the fire and left to settle, composed of 6 parts hydrochloric acid and 1 part nitric acid; and mix the solution at once with 3500 parts water; then add the whole of the second tin solution, subsequently adding by degrees the first tin solution, ceasing the mo- of red lead; filter it, and expose it to the surment the right color is obtained. Too little shine in large shallow vessels, with a glass will produce a violet color; too much, a brown. covering, frequently removing the cover to re- Wash the precipitate very quickly, and dry. new the air. When dry it appears brown. 2732. Το Make Boiled Oil Clear and