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Isici somhlaba esingavamile | I-erbium (Er)
Ngo-1843, i-Mossander yaseSweden yathola i-element erbium. Izakhiwo ezibonakalayo ze-erbium zigqame kakhulu, futhi ukukhanya okuphuma ku-1550mm kwe-EP+, obekulokhu kukhathaza njalo, kunokubaluleka okukhethekile ngoba lobu bude begagasi butholakala ngokunembile ekuphazamisekeni okuphansi kwe-optic...Funda kabanzi -
Isici somhlaba esingavamile | i-cerium (Ce)
I-elementi 'cerium' yatholwa futhi yaqanjwa ngo-1803 ngu-German Klaus, abaseSweden Usbzil, kanye no-Hessenger, kukhunjulwa i-asteroid Ceres eyatholwa ngo-1801. Ukusetshenziswa kwe-cerium kungafingqwa kakhulu kulezi zici ezilandelayo. (1) I-Cerium, njengesengezo sengilazi, ingamunca i-ultravio...Funda kabanzi -
Isici somhlaba esingavamile | I-Holmium (Ho)
Engxenyeni yesibili yekhulu le-19, ukutholakala kokuhlaziywa kwe-spectroscopic kanye nokushicilelwa kwamathebula ezikhathi ezithile, okuhambisana nokuthuthukiswa kwezinqubo zokuhlukaniswa kwe-electrochemical yezakhi zomhlaba ezingavamile, kwaqhubekisela phambili ukukhuthaza ukutholakala kwezinto ezintsha zomhlaba eziyivelakancane. Ngo-1879, uCliff, waseSweden...Funda kabanzi -
Isici somhlaba esingavamile | I-Dysprosium (Dy)
Ngo-1886, umFulentshi uBoise Baudelaire wahlukanisa ngempumelelo i-holmium yaba izakhi ezimbili, eyodwa esayaziwa ngokuthi i-holmium, kanti enye ibizwa ngokuthi i-dysrosium ngokusekelwe encazelweni yokuthi "kunzima ukuyithola" ku-holmium (Izibalo 4-11). I-Dysprosium njengamanje idlala indima ebaluleke kakhulu kwabaningi ...Funda kabanzi -
Isici somhlaba esingavamile | I-Terbium (Tb)
Ngo-1843, uKarl G. Mosander waseSweden wathola i-element terbium ngocwaningo lwakhe nge-yttrium earth. Ukusetshenziswa kwe-terbium ikakhulukazi kuhilela izinkambu zobuchwepheshe obuphezulu, okungamaphrojekthi asezingeni eliphezulu nolwazi olunzulu, kanye namaphrojekthi anenzuzo enkulu kwezomnotho...Funda kabanzi -
Isici somhlaba esingavamile | i-gadolinium (Gd)
Ngo-1880, uG.de Marignac waseSwitzerland wahlukanisa i-"samarium" yaba izakhi ezimbili, enye yazo eyaqinisekiswa iSolit ukuthi iyisamarium kanti enye yaqinisekiswa ucwaningo lukaBois Baudelaire. Ngo-1886, u-Marignac waqamba lesi sici esisha ngokuthi i-gadolinium ngokuhlonipha usokhemisi waseDashi u-Ga-do Linium, owathi ...Funda kabanzi -
Izakhi Zomhlaba Ezingavamile | Eu
Ngo-1901, u-Eugene Antole Demarcay wathola into entsha evela ku-"samarium" futhi wayiqamba ngokuthi i-Europium. Lokhu cishe kuqanjwe ngegama elithi Europe. Iningi le-europium oxide lisetshenziselwa izimpushana ze-fluorescent. I-Eu3+ isetshenziswa njenge-activator yama-phosphors abomvu, futhi i-Eu2+ isetshenziselwa ama-phosphors aluhlaza. Okwamanje,...Funda kabanzi -
Isici somhlaba esingavamile | I-Samarium (Sm)
Isici somhlaba esingavamile | I-Samarium (Sm) Ngo-1879, u-Boysbaudley wathola into entsha yomhlaba eyivelakancane ku-"praseodymium neodymium" etholwe ku-niobium yttrium ore, wayiqamba ngokuthi i-samarium ngokwegama lale nsimbi. ISamarium inombala ophuzi okhanyayo futhi iyimpahla eluhlaza yokwenza amaSamari...Funda kabanzi -
Isici somhlaba esingavamile | I-Lanthanum (La)
I-elementi 'i-lanthanum' yaqanjwa ngo-1839 lapho umSweden okuthiwa 'uMossander' ethola ezinye izakhi emhlabathini wedolobha. Uboleke igama lesiGreki elithi 'kufihliwe' ukuze aqambe lesi sici 'lanthanum'. I-Lanthanum isetshenziswa kabanzi, njengezinto zokwakha ze-piezoelectric, izinto ze-electrothermal, i-thermoelec ...Funda kabanzi -
Isici somhlaba esingavamile | I-Neodymium (Nd)
Isici somhlaba esingavamile | I-Neodymium (Nd) Ngokuzalwa kwento ye-praseodymium, i-elementi ye-neodymium nayo yavela. Ukufika kwento ye-neodymium yenze insimu yomhlaba engavamile, yadlala indima ebalulekile emkhakheni womhlaba ongavamile, futhi yalawula imakethe yomhlaba engavamile. I-Neodymium isiphenduke indawo eshisayo...Funda kabanzi -
Isici somhlaba esingavamile | i-yttrium (Y)
Ngo-1788, uKarl Arrhenius, isikhulu saseSweden esasiyimfundamakhwela esafunda amakhemikhali kanye ne-mineralogy futhi saqoqa insimbi, wathola amaminerali amnyama abukeka njengetiyela namalahle edolobhaneni laseYtterby ngaphandle kwaseStockholm Bay, eliqanjwe ngokuthi yiYtterbit ngokwegama lendawo. Ngo-1794, i-Finnish c...Funda kabanzi -
Indlela yokukhipha i-solvent yezakhi zomhlaba ezingavamile
Indlela yokukhipha i-solvent Indlela yokusebenzisa izincibilikisi eziphilayo ukuze kukhishwe futhi kuhlukaniswe into ekhishiwe exukwini le-aqueous immiscible ibizwa ngokuthi i-organic solvent liquid-liquid extraction method, efushanisiwe njengendlela yokukhipha i-solvent. Kuyinqubo yokudlulisa ngobuningi edlulisa ingxenye encane...Funda kabanzi