Год выпуска: 2011 Автор: Omotayo Sindiku and Oladele Osibanjo Издательство: LAP Lambert Academic Publishing Страниц: 144 ISBN: 9783845400976
Описание
Heavy metals such as lead are widely used in toys as stabilizers to bind any free chlorine that might be formed during processing or degradation. Lead is also used in various pigments that color plastic. Heavy metals do not bind to the plastic, existing as a freely mobile and leachable phase in the plastic. As a consequence, lead and other heavy metals are continuously released from toys over time. Contact and pressure, such as that applied during teething or play by children, can increase the rate at which these chemicals leach from the plastic. This is of great concern as heavy metals are known to cause a number of hazards. In the European Union (EU), legislation is in place to control the use of certain toxic heavy metals in toys and other children’s products. In Nigeria, there is no legislation presently for this sector. A total number of 51 toys manufactured from different countries were purchased and studied to determine the level of lead, cadmium, chromium and nickel in the...
