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Lenntech designs, builds and installs a wide range of odour treatment, water purification and air filtration products using UV, ozone, Ecosorb, drum filtration. Also cooling towers.

Buy gold coins and gold bullion online with The U.S. Gold Bureau, offering gold coins, gold bars, silver and platinum direct to the public.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...

Matbase is the first free online resource for physical, mechanical and environmental data on all major material categories, i.e. ferrous metals, non-ferrous metals, polymers, technical ceramics, wood, glass, laminates and natural and artificial fibre...

Providing information on mineral industries, world minerals, mineral information, properties of minerals, rocks and minerals, stone industries, information on minerals, mineral resources, mineral marketplace for buyers, characteristics of minerals, m...

This site provides chemistry, environmental and hazardous materials news, careers & resources including: in depth articles; a detailed periodic table of elements; chemical database; hazmat emergency response guides; hazmat placarding information;...

Award winning periodic table, with user-friendly element data and facts. Cool, online chemistry videos, dictionary, tools and forum.

Platnium Metals Review website populated and maintained by Johnson Matthey plc.