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 the plastic figurine in the cupboard and locks it with the key, only to discover the following morning that the figurine has come to life as a three-inch tall Iroquois man. After a bewildering first encounter, Omri hastily locks the man back into the cupboard to prevent his discovery while Omri is away at school, only to be crestfallen when he returns home to find the man returned to lifeless plastic. Curious, Omri relocks the figurine in the cupboard and it comes to life once more. Though the tiny man, whose name is Little Bear (Little Bull in some editions),