Mostre de compuși ai germaniului preparate de descoperitorul elementului, Clemens Winkler În raportul său Legea Periodică a Elementelor Chimice din 1869, chimistul rus Dâmitri Ivanovici Mendeleev a prezis existența unor elemente chimice necunoscute, inclusiv cea a unui element treatment ar fi completat un loc vacant în grupa carbonului din T
For a great fifty yrs, germanium was minor greater than a box to the periodic desk. It definitely was not superior for anything. It absolutely was only with the event of electronics that germanium's worth as a really successful semiconductor arrived to light.At Shanghai Optics we layout and manufacture numerous types of tailor made optical IR parts
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