pafupi1

Zogulitsa

Lanthanum, 57La
Nambala ya atomiki (Z) 57
Gawo pa STP olimba
Malo osungunuka 1193 K (920 °C, 1688 °F)
Malo otentha 3737 K (3464 °C, 6267 °F)
Kuchulukana (pafupi ndi rt) 6.162 g/cm3
pamene madzi (pa mp) 5.94 g/cm3
Kutentha kwa kusakanikirana 6.20 kJ/mol
Kutentha kwa nthunzi 400 kJ/mol
Mphamvu ya kutentha kwa molar 27.11 J/(mol·K)
  • Lanthanum Hexaboride

    Lanthanum Hexaboride

    Lanthanum Hexaboride (LaB6,Lanthanum Boride (yomwe imatchedwanso lanthanum boride ndi LaB) ndi mankhwala osapangidwa ndi zinthu zachilengedwe, boride ya lanthanum. Monga zinthu zosungiramo zinthu zadothi zomwe zimakhala ndi kutentha kwa 2210 °C, Lanthanum Boride sisungunuka kwambiri m'madzi ndi hydrochloric acid, ndipo imasanduka oxide ikatenthedwa (yokhala ndi calcined). Zitsanzo za Stoichiometric zimakhala ndi utoto wofiirira-violet, pomwe zolemera boron (pamwamba pa LaB6.07) zimakhala zabuluu.Lanthanum Hexaboride(LaB6) imadziwika ndi kuuma kwake, mphamvu ya makina, kutulutsa kwa thermionic, komanso mphamvu zake za plasmonic. Posachedwapa, njira yatsopano yopangira kutentha pang'ono idapangidwa kuti ipange mwachindunji tinthu tating'onoting'ono ta LaB6.

  • Lanthanum(La)Oxide

    Lanthanum(La)Oxide

    Lanthanum oxide, yomwe imadziwikanso kuti gwero la Lanthanum lomwe silisungunuka kwambiri kutentha, ndi chinthu chosapangidwa chomwe chili ndi lanthanum ndi okosijeni. Ndi yoyenera kugwiritsidwa ntchito mugalasi, kuwala ndi ceramic, ndipo imagwiritsidwa ntchito muzinthu zina za ferroelectric, ndipo ndi chakudya cha zinthu zina zothandizira, pakati pa ntchito zina.

  • Lanthanum Carbonate

    Lanthanum Carbonate

    Lanthanum Carbonatendi mchere wopangidwa ndi ma cations a lanthanum(III) ndi ma anion a carbonate pogwiritsa ntchito njira ya La2(CO3)3. Lanthanum carbonate imagwiritsidwa ntchito ngati chinthu choyambira mu chemistry ya lanthanum, makamaka popanga ma oxide osakaniza.

  • Lanthanum(III) Chloride

    Lanthanum(III) Chloride

    Lanthanum (III) Chloride Heptahydrate ndi gwero labwino kwambiri la kristalo losungunuka m'madzi la Lanthanum, lomwe ndi chinthu chosapangidwa ndi zinthu zachilengedwe chokhala ndi formula ya LaCl3. Ndi mchere wamba wa lanthanum womwe umagwiritsidwa ntchito kwambiri pofufuza komanso umagwirizana ndi ma chloride. Ndi chinthu choyera chosungunuka kwambiri m'madzi ndi ma alcohols.

  • Lanthanum Hydroxide

    Lanthanum Hydroxide

    Lanthanum HydroxideNdi gwero la kristalo la Lanthanum lomwe silisungunuka m'madzi, lomwe lingapezeke powonjezera alkali monga ammonia kumadzi amchere a lanthanum monga lanthanum nitrate. Izi zimapangitsa kuti madzi azitha kuuma mumlengalenga. Lanthanum hydroxide sichita bwino ndi zinthu za alkaline, komabe imasungunuka pang'ono mu acidic solution. Imagwiritsidwa ntchito mogwirizana ndi malo okhala ndi pH yokwera (yoyambira).