http://weppi.gtk.fi/publ/foregsatlas/text/La.pdf WebbThe name Lanthanum comes from the Greek word Lanthanein, which means “hidden”. It was discovered by Swedish Chemist Carl Gustaf Masander in 1839. It is soft enough to be cut with a knife, ductile, and has a silvery color. Lanthanum has numerous industrial uses, including the ignition of torches, lighters, and blowpipes.
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Webb10 mars 2024 · lanthanum carbonate hydrate Company: Takeda UK Ltd See contact details ATC code: V03AE03 About Medicine Prescription only medicine Healthcare Professionals (SmPC) Patient Leaflet (PIL) This information is for use by healthcare professionals Last updated on emc: 20 Oct 2024 Quick Links Webb20 nov. 2024 · These ores mainly contain iron, copper, cobalt, and gold, but also hold rare earth elements used in cutting edge electronics, such as neodymium and dysprosium for magnets in headphones and cell phones. djdjd r
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Webb18 okt. 2016 · But once you start thinking at the big scale, it looks a lot more attractive: one million mobile phones could deliver nearly 16 tonnes of copper, 350kg of silver, 34kg … WebbLanthanum [lantaːn] is a chemical element with the element symbol La and the atomic number 57. It belongs to the transition metals as well as the metals of the rare earths, in the periodic table stands it in the 6. Period and the 3. Subgroup (group 3) or scandium group. Mostly it is also counted to the Lanthanoiden, even if the f-shell of the ... Webb21 maj 2013 · "Lanthanum (III) oxide (La 2 O 3) improves the alkali resistance of glass, and is used in making special optical glasses, such as infrared-absorbing glass, as well as camera and telescope lenses, because of the high refractive index and low dispersion of rare-earth glasses. تصفیه آب و فاضلاب ایران