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
A Is for Acid he went about murdering for profit." However, the reviewer was critical of the film's lack of tension and its failure to analyse Haigh's psyche. The opening scene depicting Haigh's childhood was filmed in Saltaire, West Yorkshire. Later where John is shown courting Betty, the Hyde Park Picture House in Hyde Park, Leeds. The police station to which John takes Constance Lane to report her friend missing, was filmed at Wetherby Council Offices. A Is for Acid A Is for Acid is a 2002 British television film based on the life of the serial killer John George Haigh, known as the