Rust-proof - even without chromium
Wednesday, December 10, 2008 - 05:50
in Earth & Climate
Years ago, the ice-cream van used to drive through residential areas, ringing a bell to entice people out of their houses. Today their place has been taken by scrap metal collectors. Whether it be refrigerators, washing machines or car parts - the dwindling natural resources mean that scrap metal is worth money. To ensure that the recycling of old cars, for example, does not pose a risk to human health and the environment, the European Parliament has issued a guideline: The use of toxic and carcinogenic chromium(VI) compounds in car manufacturing has been prohibited since mid-2007...