Chemical and Technical Developments are a manufacturer and supplier of germanium dioxide, germanium tetrachloride, tungsten oxychloride and cesium nitrate as well as other compounds of transition metals and the lanthanides.
URL: http://www.chemicalandtechnical.com in English [Translate]
A leading manufacturer of research chemicals, metals and materials including high purity inorganics, organics and organometallics, precious compounds and catalysts, rare earth compounds and metals, labware and more.
URL: http://www.alfa.com/en/product/Samarium in English [Translate]