Copper aspirinate use of copper aspirinate as a pigment in PVC and Polystyrene has also been investigated. Copper aspirinate Copper(II) aspirinate is an aspirin chelate of copper(II) cations (Cu). It is used to treat rheumatoid arthritis. Copper aspirinate can be prepared by several methods. In one route of preparation, an excess of acetylsalicylic acid is dissolved in aqueous sodium carbonate. Sodium hydroxide is not suitable for this purpose, because it will hydrolyse acetylsalicylic acid ("ASA") into salicylic acid and sodium acetate. The resulting solution is then filtered to remove any undissolved acetylsalicylic acid and is mixed with a solution containing Cu cations
The Indian in the Cupboard have been multiple reprints in various formats, including movie tie-in editions. The publisher recommended reading level is age nine and up. All the books revolve around a young boy, Omri, discovering the powers of a magical cupboard that turns plastic toys into real, living beings, resulting in Omri befriending an 18th century Iroquois (Haudenosaunee) chief named Little Bear. As the series progresses, Omri and his friend Patrick learn more about the cupboard's powers, including its ability to transport people to and fro through history. The book was reviewed for "The New York Times" where it was called "the best novel