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Sihiri Rare Abubuwan Duniya: Lutetium
Lutetium wani nau'in ƙasa ne da ba kasafai ba tare da tsada mai tsada, ƙaramin tanadi, da iyakancewar amfani. Yana da taushi kuma mai narkewa a cikin acid ɗin dilute, kuma yana iya amsawa da ruwa sannu a hankali. Isotopes da ke faruwa a zahiri sun haɗa da 175Lu da rabin rayuwa na 2.1 × 10 ^ 10 mai shekaru β Emitter 176Lu. Ana yin ta ne ta hanyar rage Lu...Kara karantawa -
Sihiri Rare Duniya Element - Praseodymium
Praseodymium shine kashi na uku mafi yawan lanthanide a cikin tebur na lokaci-lokaci na abubuwan sinadarai, tare da yalwar 9.5 ppm a cikin ɓawon burodi, ƙasa da cerium, yttrium, lanthanum, da scandium. Shi ne kashi na biyar mafi yawan yawa a cikin kasa da ba kasafai ba. Amma kamar sunansa, praseodymium shine ...Kara karantawa -
Barium in Bolognite
arium, kashi 56 na tebur na lokaci-lokaci. Barium hydroxide, barium chloride, barium sulfate… su ne na yau da kullun reagents a cikin litattafan sakandare. A shekara ta 1602, masana kimiyya na yammacin Turai sun gano dutsen Bologna (wanda ake kira "Sunstone") wanda zai iya fitar da haske. Irin wannan ma'adinai yana da ƙananan dunƙulewa ...Kara karantawa -
Menene Cerium Oxide?
Cerium oxide wani abu ne na inorganic tare da dabarar sinadarai CeO2, launin rawaya mai haske ko foda mai launin rawaya. Maɗaukaki 7.13g/cm3, wurin narkewa 2397°C, wanda ba a iya narkewa a cikin ruwa da alkali, ɗan narkewa cikin acid. A zafin jiki na 2000 ° C da matsa lamba na 15MPa, ana iya amfani da hydrogen don sake ...Kara karantawa -
Aikace-aikacen nano cerium oxide a cikin polymer
Nano-ceria yana inganta juriyar tsufa na ultraviolet na polymer. Tsarin lantarki na 4f na nano-CeO2 yana da matukar damuwa ga shayarwar haske, kuma ƙungiyar shayarwa ta kasance mafi yawa a cikin yankin ultraviolet (200-400nm), wanda ba shi da halayen halayen haske ga haske mai gani da kuma watsawa mai kyau. Ko...Kara karantawa -
Aikace-aikace na scandium oxide Sc2O3 foda
Aikace-aikacen scandium oxide Tsarin sinadaran scandium oxide shine Sc2O3. Properties: Farar m. Tare da tsarin cubic na sesquioxide na duniya mai wuya. Yawan yawa 3.864. Matsayin narkewa 2403 ℃ 20 ℃. Insoluble a cikin ruwa, mai narkewa a cikin zafi acid. Ana shirya ta thermal bazuwar gishiri na scandium. Yana iya zama...Kara karantawa