ngaphansi1

Imikhiqizo

Lanthanum, 57La
Inombolo ye-athomu (Z) 57
Isigaba ku-STP okuqinile
Iphoyinti lokuncibilika 1193 K (920 °C, 1688 °F)
Iphuzu elibilayo 3737 K (3464 °C, 6267 °F)
Ukuminyana (eduze ne-rt) 6.162 g/cm3
lapho uketshezi (at mp) 5.94 g/cm3
Ukushisa kwe-fusion 6.20 kJ/mol
Ukushisa kwe-vaporization 400 kJ/mol
Umthamo wokushisa we-molar 27.11 J/(mol·K)
  • I-Lanthanum(La)Oxide

    I-Lanthanum(La)Oxide

    I-Lanthanum oxide, owaziwa nangokuthi umthombo we-Lanthanum ozinze ngokushisa kakhulu ongancibiliki, iyinhlanganisela yezinto ezingaphili equkethe isakhi somhlaba esingavamile i-lanthanum nomoya-mpilo.Ilungele ukusetshenziswa kwengilazi, i-optic kanye ne-ceramic, futhi isetshenziswa kwezinye izinto ze-ferroelectric, futhi iyisitoko sokuphakelayo sama-catalyst athile, phakathi kokunye ukusetshenziswa.

  • I-Lanthanum carbonate

    I-Lanthanum carbonate

    I-Lanthanum carbonateusawoti owenziwe i-lanthanum(III) cations kanye ne-carbonate anions ne-chemical formula La2(CO3)3.I-Lanthanum carbonate isetshenziswa njengesiqalo kukhemikhali ye-lanthanum, ikakhulukazi ekwakheni ama-oxide axubile.

  • I-Lanthanum(III) Chloride

    I-Lanthanum(III) Chloride

    I-Lanthanum(III) Chloride Heptahydrate iwumthombo we-Lanthanum oncibilikayo emanzini, okuyinhlanganisela ye-inorganic ene-formula LaCl3.Usawoti ojwayelekile we-lanthanum osetshenziswa kakhulu ocwaningweni futhi ohambisana nama-chloride.Iqinile emhlophe encibilika kakhulu emanzini nasezitshwaleni.

  • I-Lanthanum Hydroxide

    I-Lanthanum Hydroxide

    I-Lanthanum Hydroxideiwumthombo we-crystalline we-Lanthanum ongancibiliki kakhulu emanzini, ongatholakala ngokungeza i-alkali efana ne-ammonia ezixazululweni ezinamanzi zosawoti we-lanthanum njenge-lanthanum nitrate.Lokhu kukhiqiza imvula efana nejeli engase yomiswe emoyeni.I-Lanthanum hydroxide ayiphenduli kakhulu ezintweni ezine-alkaline, nokho iyancibilika kancane kusisombululo esine-asidi.Isetshenziswa ngokuhambisana nezindawo eziphezulu (eziyisisekelo) ze-pH.

  • I-Lanthanum Hexaboride

    I-Lanthanum Hexaboride

    I-Lanthanum Hexaboride (I-LaB6,ebizwa nangokuthi i-lanthanum boride kanye ne-LaB) iyikhemikhali ye-inorganic, i-boride ye-lanthanum.Njengempahla ye-ceramic ephikisayo enephuzu lokuncibilika elingu-2210 °C, i-Lanthanum Boride ayincibiliki kakhulu emanzini ne-hydrochloric acid, futhi iguqulela ku-oxide lapho ishiswa (i-calcined).Amasampula e-Stoichiometric anombala onsomi-violet, kuyilapho acebile nge-boron (ngaphezulu kwe-LaB6.07) aluhlaza okwesibhakabhaka.I-Lanthanum Hexaboride(LaB6) yaziwa ngobulukhuni bayo, amandla emishini, ukukhishwa kwe-thermionic, kanye nezakhiwo eziqinile ze-plasmonic.Muva nje, kusungulwe indlela entsha yokwenziwa kwezinga lokushisa elimaphakathi ukuze kuhlanganiswe ngokuqondile ama-nanoparticles e-LaB6.