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Alaabta

Lanthanum, 57La
Nambarka atomiga (Z) 57
Marxaladda STP adag
barta dhalaalaysa 1193 K (920 °C, 1688 °F)
Barta karkarinta 3737 K (3464 °C, 6267 °F)
Cufnaanta (rt u dhow) 6.162 g/cm3
marka dareere ah (at mp) 5.94 g/cm3
Kulaylka fiyuuska 6.20 kJ/mol
Kulaylka uumiga 400 kJ/mol
Awoodda kulaylka molar 27.11 J/ (mol·K)
  • Lanthanum(La)oxide

    Lanthanum(La)oxide

    Lanthanum oxide, sidoo kale loo yaqaan isha Lanthanum kuleyl ahaan aad u aan milmi karin, waa unug aan nooleyn oo ay ku jiraan curiyaha dhulka dhifka ah ee lanthanum iyo ogsijiin. Waxay ku habboon tahay codsiyada muraayadaha, indhaha iyo dhoobada, waxaana loo isticmaalaa qaar ka mid ah qalabka ferroelectric, waxayna quudin u tahay kiciyayaasha qaarkood, iyo isticmaalka kale.

  • Lanthanum Carbonate

    Lanthanum Carbonate

    Lanthanum Carbonatewaa milix ay sameeyeen lanthanum(III) cations iyo anion carbonate oo leh qaacidada kiimikada La2(CO3)3. Kaarboonaytka Lanthanum waxa loo isticmaalaa sida walxo bilawga ah ee kimistariga lanthanum, gaar ahaan samaynta oksaydhyada isku dhafan.

  • Lanthanum(III) Chloride

    Lanthanum(III) Chloride

    Lanthanum(III) Chloride Heptahydrate waa biyo aad u wanaagsan oo lagu milmi karo crystalline isha Lanthanum, kaas oo ah unug aan organic ahayn oo leh caanaha LaCl3. Waa milix caan ah oo lanthanum ah oo inta badan loo isticmaalo cilmi-baarista oo la jaan qaada chlorides. Waa adage cad oo aad ugu milmay biyaha iyo khamriga.

  • Lanthanum Hydroxide

    Lanthanum Hydroxide

    Lanthanum Hydroxidewaa isha Lanthanum crystalline ah oo aad u biyo badan, kaas oo lagu heli karo in lagu daro alkali sida ammonia si loo xalliyo aqueous ee cusbada lanthanum sida lanthanum nitrate. Tani waxay soo saartaa daadad jel oo kale ah oo markaas lagu qallajin karo hawada. Lanthanum hydroxide wax badan kama falceliso walxaha alkaline, si kastaba ha ahaatee wax yar ayay ku milmi kartaa xal acidic ah. Waxa loo istcimaalaya si waafaqsan deegaan sare (asaasi ah) pH

  • Lanthanum Hexaboride

    Lanthanum Hexaboride

    Lanthanum Hexaboride (LaB6,sidoo kale loo yaqaan lanthanum boride iyo LaB) waa kiimiko aan organic ahayn, boride of lanthanum. Maaddaama shayga dhoobada ah ee dhalaalaysa oo leh barta dhalaalaysa ee 2210 °C, Lanthanum Boride aad bay ugu milmi waayaan biyaha iyo aashitada hydrochloric, waxayna u beddeshaa oksaydhka marka la kululeeyo (calcined). Shaybaarada Stoichiometric waa midab buluug-violet ah, halka kuwa boron-ka hodanka ah (ka sarreeya LaB6.07) ay yihiin buluug.Lanthanum Hexaboride(LaB6) waxaa lagu yaqaanaa engegnaanteeda, xooggeeda makaanikada, qiiqa kuleylaha, iyo sifooyinka plasmonic ee xooggan. Dhowaan, farsamo cusub oo heerkul dhexdhexaad ah ayaa la sameeyay si si toos ah loo farsameeyo nanoparticles LaB6.