were numbers and . both of these elements had been predicted by mendeleev, who had named them ekamanganese and dwimanganese respectively, but despite many attempts and declarations of discovery later deemed false, both elements remained elusive until . in that year, the team of walter noddack and ida...
aim d underlines. most recently, the company has suggested spares for discontinued parts hepcomotion's slimline bearings and the nv slide from its gv linear guide system provided the best solution for aim d's needs as an area where its machine and process can offer a solution. exampling a component of...
rare earth oxides. he isolated two new oxides, which eventually led to the identification and naming of the elements holmium and thulium. thulium is named after thule, scandinavia. despite being very rare and expensive, thulium has several commercial uses. notably, it is used as a dopant for garnets...
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praseodymium and neodymium . praseodymium salts are yellow-green in solution, leading to the naming of the compound from the greek word prasinos, meaning green, and the previously chosen root didymos, meaning twin. like many of the rare earth elements , praseodymium is used primarily in small amounts...
hrees due to their relative ease of processing, despite the low percentage quantities of rare earths they contain. products featured high purity products ( n) % ytterbium(iii) chloride hexahydrate compounds sodium yttrium fluoride, ytterbium and erbium doped sodium yttrium fluoride, ytterbium and thulium...