Cerium oxide, Tsarin kwayoyin halitta shineCeO2, Laƙabin Sinawa:Cerium (IV) oxide, kwayoyin nauyi: 172.11500.Ana iya amfani dashi azaman polishing abu, mai kara kuzari, mai kara kuzari (mataimaki), ultraviolet absorber, man cell electrolyte, mota shaye absorber, Electroceramics, da dai sauransu
Chemical dukiya
A zafin jiki na 2000 ℃ da matsa lamba na 15 MPa, Cerium (III) oxide za a iya samu ta hanyar hydrogen rage cerium oxide.Lokacin da zafin jiki ya kasance kyauta a 2000 ℃, kuma matsa lamba yana da kyauta a 5 MPa, cerium oxide yana dan kadan rawaya, dan kadan ja, da ruwan hoda.
Dukiyar jiki
Kayayyaki masu tsafta fari ne mai nauyi foda ko lu'ulu'u masu siffar sukari, yayin da samfuran da ba su da kyau suna da haske rawaya ko ma ruwan hoda zuwa launin ruwan ja (saboda kasancewar adadin lanthanum, praseodymium, da sauransu).
Density 7.13g/cm3, narkewar batu 2397 ℃, tafasar batu 3500 ℃ ..
Rashin narkewa a cikin ruwa da alkali, dan kadan mai narkewa a cikin acid.
Mai guba, Matsakaicin kisa (bera, baka) yana kusan 1g/kg.
Hanyar samarwa
Hanyar samar da cerium oxide shine mafi yawan hazo oxalic acid, wato, shan cerium chloride ko Cerium nitrates bayani a matsayin albarkatun kasa, daidaita darajar Ph zuwa 2 tare da oxalic acid, ƙara ammonia zuwa hazo Cerium oxalate, dumama, balagagge, rabuwa, wanka. , bushewa a 110 ℃, da kuma kona a 900 ~ 1000 ℃ don samar da cerium oxide.
CeCl2+H2C2O4+2NH4OH → CeC2O4+2H2O+2NH4Cl
Aikace-aikace
Ma'aikatan Oxidizing.Masu kara kuzari ga kwayoyin halitta.Yi amfani da samfuran ƙaƙƙarfan ƙaƙƙarfan ƙaƙƙarfan ma'auni don nazarin ƙarfe.Redox titration bincike.Gilashin launi.Gilashin enamel sunshade.Garin mai jure zafi.
Ana amfani dashi azaman ƙari a cikin masana'antar gilashi, azaman kayan niƙa don gilashin faranti, kuma azaman wakili mai juriya UV a cikin kayan kwalliya.A halin yanzu, an faɗaɗa shi zuwa niƙa na tabarau, ruwan tabarau na gani, da bututun hoto, suna taka rawa wajen canza launi, bayyanawa, ɗaukar gilashin UV, da ɗaukar layukan lantarki.
Rare duniya polishing sakamako
Rare ƙasa polishing foda yana da abũbuwan amfãni daga cikin sauri polishing gudun, high smoothness, da kuma dogon sabis rayuwa.Idan aka kwatanta da foda na gargajiya na gargajiya - ƙarfe ja foda, ba ya gurbata yanayi kuma yana da sauƙin cirewa daga abin da aka haɗa.Yin goge ruwan tabarau tare da cerium oxide polishing foda yana ɗaukar minti ɗaya don kammalawa, yayin amfani da foda mai goge foda yana ɗaukar mintuna 30-60.Saboda haka, rare duniya polishing foda yana da abũbuwan amfãni daga low sashi, azumi polishing gudun, da kuma high polishing yadda ya dace.Kuma yana iya canza ingancin gogewa da yanayin aiki.Gabaɗaya, ƙarancin gilashin ƙasa mai goge foda galibi yana amfani da cerium mai arzikin oxides.Dalilin da ya sa cerium oxide wani fili ne na gogewa mai matukar tasiri shine saboda yana iya goge gilashin lokaci guda ta hanyar bazuwar sinadarai da gogayya na inji.Rare ƙasa cerium polishing foda ne yadu amfani ga polishing kyamarori, kamara ruwan tabarau, talabijin shambura, gilashin, da dai sauransu A halin yanzu, akwai da dama na duniya polishing foda masana'antu a kasar Sin, tare da samar da sikelin na kan goma ton.Kamfanin Baotou Tianjiao Qingmei Rare Earth Polishing Powder Co., Ltd., wani kamfani na hadin gwiwa na kasashen waje na kasar Sin, a halin yanzu yana daya daga cikin manyan masana'antar goge foda da ba kasafai ba a kasar Sin, wanda ke da karfin samar da tan 1200 da kayayyakin da ake sayarwa a cikin gida da waje.
Gilashin canza launi
Duk gilashin ya ƙunshi baƙin ƙarfe oxide, wanda za'a iya shigar da shi cikin gilashin ta hanyar albarkatun kasa, yashi, farar ƙasa, da gilashin fashe a cikin kayan gilashi.Akwai nau'o'i guda biyu na wanzuwarsa: ɗaya shine ƙarfe mai divalent, wanda ke juya launin gilashin zuwa shuɗi mai duhu, ɗayan kuma baƙin ƙarfe trivalent, wanda ke juya launin gilashin zuwa rawaya.Discoloration shine oxidation na divalent baƙin ƙarfe ions zuwa trivalent baƙin ƙarfe, domin launi tsananin baƙin ƙarfe trivalent ne kawai daya bisa goma na divalent baƙin ƙarfe.Sannan ƙara toner don kawar da launi zuwa launin kore mai haske.
Abubuwan da ba kasafai ake amfani da su ba don canza launin gilashin sun fi yawa cerium oxide da neodymium oxide.Maye gurbin al'ada na gargajiya farin arsenic decolorizing wakili tare da rare duniya gilashin decoloring wakili ba kawai inganta yadda ya dace, amma kuma kauce wa gurbatawa na farin arsenic.Cerium oxide da aka yi amfani da shi don canza launin gilashi yana da fa'idodi irin su barga mai zafi mai zafi, ƙarancin farashi, kuma babu ɗaukar haske mai gani.
Gilashin canza launi
Rare earth ions suna da tsayayye da launuka masu haske a yanayin zafi mai girma, kuma ana amfani da su don haɗawa cikin kayan don kera tabarau masu launi daban-daban.Rare ƙasa oxides kamar neodymium, praseodymium, erbium, da cerium ne mafi kyaun gilashin launuka.Lokacin da gilashin gaskiya tare da masu launin duniya da ba kasafai suke ɗaukar haske mai ganuwa tare da tsayin raƙuman raƙuman ruwa daga nanometer 400 zuwa 700, yana nuna kyawawan launuka.Ana iya amfani da waɗannan gilashi masu launi don yin fitilu masu nuna alama don zirga-zirgar jiragen sama da kewayawa, motocin sufuri daban-daban, da manyan kayan ado na fasaha daban-daban.
Lokacin da aka ƙara neodymium oxide a cikin gilashin calcium calcium na sodium da gilashin Lead, launi na gilashin ya dogara da kauri na gilashin, abun ciki na neodymium da kuma ƙarfin tushen haske.Siraren gilashin ruwan hoda ne, kuma gilashin kauri shuɗi ne.Ana kiran wannan al'amari neodymium dichroism;Praseodymium oxide yana samar da launin kore mai kama da chromium;Erbium (III) oxide yana da ruwan hoda lokacin amfani da gilashin Photochromism da gilashin crystal;Haɗuwa da cerium oxide da titanium dioxide ya sa gilashin rawaya;Ana iya amfani da Praseodymium oxide da neodymium oxide don praseodymium neodymium baƙar gilashin.
Rare ƙasa mai bayyanawa
Yin amfani da cerium oxide maimakon arsenic oxide na gargajiya a matsayin wakili mai bayyana gilashi don cire kumfa da gano abubuwa masu launi yana da tasiri mai mahimmanci akan shirye-shiryen kwalabe na gilashi marasa launi.Samfurin da ya ƙãre yana da farin kyalli mai kyalli, fayyace mai kyau, da ingantaccen ƙarfin gilashi da juriya mai zafi.A lokaci guda kuma, yana kawar da gurɓataccen arsenic ga muhalli da gilashi.
Bugu da ƙari, ƙara cerium oxide zuwa gilashin yau da kullum, irin su gini da gilashin mota, gilashin crystal, na iya rage watsa hasken ultraviolet, kuma an inganta wannan amfani a Japan da Amurka.Tare da ingantuwar yanayin rayuwa a kasar Sin, za a kuma samu kasuwa mai kyau.Ƙara neodymium oxide zuwa gilashin harsashi na bututun hoto zai iya kawar da tarwatsawar jan haske da ƙara haske.Gilashin na musamman tare da ƙarin abubuwan da ba a cika samun ƙasa ba sun haɗa da gilashin lanthanum, wanda ke da babban maƙasudin refractive da ƙananan halayen watsawa, kuma ana amfani da shi sosai wajen kera ruwan tabarau daban-daban, kyamarori masu ci gaba, da ruwan tabarau na kyamara, musamman don na'urorin daukar hoto masu tsayi;Gilashin hujja na Ce, wanda aka yi amfani da shi don gilashin Mota da harsashi gilashin TV;Gilashin Neodymium ana amfani dashi azaman kayan laser kuma shine mafi kyawun abu don manyan lasers, galibi ana amfani dashi don sarrafa na'urorin haɗakar makaman nukiliya.
Lokacin aikawa: Yuli-06-2023