Indian Yellow

Name:
Indian Yellow
Detailed information:
(1) (Aureolin) A yellow pigment distinguished by being unaffected by hydrogen sulfide. It is durable, without action on other pigments, and is permanent in oils and water-color. It consists of a double nitrite of cobalt and potassium and is prepared by adding excess of potassium nitrite solution to a solution of cobalt nitrate acidified with acetic acid. (2) Also sometimes used for the yellow synthetic dye primuline.See Cobalt Potassium Nitrite.