Strem Chemicals, Inc
Strem Chemicals, Inc., established in 1964, is a privately-held company that manufactures and markets specialty chemicals of high purity. Since 2004 this has included metal-based nanoparticles of many transition metals, precious metals as well as metal oxides, mixed-metal oxides and magnetic fluids. These are provided in a number of different shapes, such as gold nanospheres and gold nanorods and with a variety of surface coatings. Nanoparticle sizes range from 1-90nm. Nanocatalysts available.
Web site: www.Strem.com