Copper aspirinate 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 (copper(II) sulfate is suitable), precipitating bright blue crystals of copper aspirinate immediately. The crystals can
The Indian in the Cupboard tiny figures and awareness that, though small, they were real people who ought not to be so manipulated." Despite the wide range of views on this novel, little information exists about any challenges the author faced in publishing it. At one time classrooms and libraries widely accepted the book. On Omri’s ninth birthday, his best friend Patrick gives Omri the disappointing gift of a small plastic Indian figurine. Omri also receives a white metal medicine cupboard from his brother. The only key in the house that fits the cupboard's lock is the key to Omri's great-grandmother's jewelry box. Omri puts