TīmeklisLanthanum hexaboride ( La B 6, also called lanthanum boride and LaB) is an inorganic chemical, a boride of lanthanum. It is a refractory ceramic material that has a melting point of 2210 °C, and is insoluble in water and hydrochloric acid. It is extremely hard, with a Mohs hardness of 9.5. [1] TīmeklisLanthanum(III) acetate hydrate 99.9% trace rare earth metals basis; CAS Number: 100587-90-4; EC Number: 213-034-8; Linear Formula: La(CH3CO2)3 · xH2O; find …

Lanthane — Wikipédia

TīmeklisLanthan [.mw-parser-output .IPA a{text-decoration:none}lanˈtaːn] ist ein chemisches Element mit dem Elementsymbol La und der Ordnungszahl 57. Es zählt zu den Übergangsmetallen sowie den Metallen der Seltenen Erden, im Periodensystem steht es in der 6. Periode und der 3. Nebengruppe, bzw. der 3. IUPAC-Gruppe oder … Lanthanum has no known biological role in humans. The element is very poorly absorbed after oral administration and when injected its elimination is very slow. Lanthanum carbonate (Fosrenol) was approved as a phosphate binder to absorb excess phosphate in cases of end stage renal disease. While lanthanum has pharmacological effects on several receptors and ion channels, its specifi… the rosenbergs executed

Mechanisms of Luminescence in Lanthanide Complexes: A Crucial …

TīmeklisLanthanum chloride is the inorganic compound with the formula La Cl 3. It is a common salt of lanthanum which is mainly used in research. It is a white solid that is highly soluble in water and alcohols. Preparation [ edit] Anhydrous lanthanum (III) chloride can be produced by the ammonium chloride route. TīmeklisDie Cobalt-Lanthan-Legierung LaCo5 wird als Magnetwerkstoff, lanthandotiertes Bariumtitanat zur Herstellung von Kaltleitern (temperaturabhängige Widerstände) … Tīmeklis2013. gada 27. maijs · Definition Lanthancarbonat ist das Carbonatsalz des Lanthans. Es wird in der Medizin bei Patienten mit terminaler Niereninsuffizienz als … the rosenbergs definition cold war