Rare earth element compounds. Watch-glasses with samples of three compounds containing rare earth elements,as obtained from rare earth ores. From left,these are praseodymium nitrate,neodymium oxide,and terbium oxide. There are around 17 rare earth elements,mostly used mined for use in high-tech equipment | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Brega, Massimo / The Lighthouse |
Bildgröße: | 5125 px × 3417 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
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