organotin standard
organotin is a class of compounds in which tin atoms are covalently bonded to one or several organic substituents. its general formula is rnsnx4-n, where r represents alkyl or aryl, n=1~4, x is an anion, such as halogen, oxygen or hydroxyl1. the eu organotin standard implements directive 2009/425/ec, which formally begins to restrict the use…

