Cerium oxide, Usoro ihe omimi bụCeO2, Chinese utu aha:Cerium (IV) oxide, arọ molekụla: 172.11500. Enwere ike iji ya dị ka ihe na-egbuke egbuke, ihe na-akpali akpali, onye na-ebu ibu (nnyemaaka), onye na-ekpo ọkụ ultraviolet, mmanụ ọkụ electrolyte, ihe na-ekpochapụ ụgbọ ala, Electroceramics, wdg.
Ihe onwunwe kemịkalụ
Na okpomọkụ nke 2000 ℃ na nrụgide nke 15 MPa, Cerium (III) oxide nwere ike nweta site na hydrogen ibelata cerium oxide. Mgbe okpomọkụ dị n'efu na 2000 ℃, na nrụgide bụ n'efu na 5 MPa, cerium oxide dị ntakịrị odo, ntakịrị uhie, na pink.
Ihe onwunwe
Ngwaahịa dị ọcha bụ ntụ ntụ dị arọ na-acha ọcha ma ọ bụ kristal cubic, ebe ngwaahịa adịghị ọcha na-acha odo odo ma ọ bụ ọbụna pink na-acha ọbara ọbara (n'ihi ọnụnọ nke lanthanum, praseodymium, wdg).
Njupụta 7.13g / cm3, ebe agbaze 2397 ℃, ebe esi 3500 ℃ ..
Na-adịghị edozi na mmiri na alkali, ntakịrị soluble na acid.
Nsi na-egbu egbu, nke etiti (oke, ọnụ) bụ ihe dịka 1g/kg.
Usoro mmepụta
Usoro mmepụta nke cerium oxide bụ mmiri ozuzo oxalic acid, ya bụ, na-ewere cerium chloride ma ọ bụ Cerium nitrates ngwọta dị ka akụrụngwa, na-edozi uru Ph na 2 na oxalic acid, na-agbakwụnye amonia na-ebuli Cerium oxalate, kpo oku, ntozu, ikewapụ, ịsacha. , ihicha na 110 ℃, na ọkụ na 900 ~ 1000 ℃ na-etolite cerium. oxide.
CeCl2+H2C2O4+2NH4OH → CeC2O4+2H2O+2NH4Cl
Ngwa
Ndị ọrụ oxidizing. Ihe na-akpata mmeghachi omume organic. Jiri ihe atụ ọkọlọtọ ụwa dị ụkọ maka nyocha igwe. Nyochaa titration redox. Iko nwere agba. Glass enamel sunshade. Alloy na-eguzogide okpomọkụ.
Ejiri ya dị ka ihe mgbakwunye na ụlọ ọrụ iko, dị ka ihe na-egweri maka iko efere, nakwa dị ka onye na-eguzogide ọgwụ UV na ihe ịchọ mma. Ka ọ dị ugbu a, a gbasaala ya ka ọ na-egweri ugogbe anya, anya anya anya, na tubes foto, na-ekere òkè n'ịgbanwe agba, ịkọwapụta, nnabata UV nke iko, na ịmịnye ahịrị eletrọnịkị.
Mmetụta polishing ụwa dị ụkọ
ntụ ntụ na-egbuke egbuke na-adịghị ahụkebe nwere uru dị na ọsọ polishing ngwa ngwa, ịdị nro dị elu, na ogologo ndụ ọrụ. N'iji ya tụnyere omenala polishing ntụ ntụ - ígwè na-acha uhie uhie ntụ ntụ, ọ dịghị emetọ gburugburu ebe obibi ma dị mfe iwepu ihe na-ejikọta ya. Iji cerium oxide polishing powder ihicha oghere na-ewe otu nkeji iji mechaa, ebe iji iron oxide polishing powder were 30-60 nkeji. Ya mere, ntụ ntụ polishing ụwa na-adịghị ahụkebe nwere uru nke usoro onunu ogwu dị ala, ọsọ polishing ngwa ngwa, yana arụmọrụ dị elu. Na ọ nwere ike ịgbanwe àgwà polishing na arụ ọrụ gburugburu ebe obibi. N'ozuzu, ntụ ntụ na-eme ka iko ụwa dị ụkọ na-ejikarị cerium ọgaranya oxides. Ihe kpatara cerium oxide ji bụrụ ngwakọta polishing dị oke mma bụ n'ihi na ọ nwere ike na-ekpocha iko n'otu oge site na ire kemịkalụ yana esemokwu n'ibu. A na-eji ntụ ntụ na-egbuke egbuke ụwa cerium polishing eme ihe n'ọtụtụ ebe maka igwefoto polishing, lenses igwefoto, tubes telivishọn, iko, wdg. Ugbu a, e nwere ọtụtụ ụlọ ọrụ na-emepụta ntụ ntụ na-adịghị ahụkebe na China, nke nwere ọnụ ọgụgụ mmepụta ihe karịrị tọn iri. Baotou Tianjiao Qingmei Rare Earth Polishing Powder Co., Ltd., njikọ aka nke mba ofesi Sino, bụ ugbu a otu n'ime nnukwu ụlọ ọrụ na-eme ntụ ntụ na-adịghị ahụkebe na China, na-enwe ike imepụta tọn 1200 kwa afọ na ngwaahịa a na-ere n'ụlọ na mba ụwa.
Nchacha iko
Igwe niile nwere iron oxide, nke enwere ike ibubata n'ime iko ahụ site na akụrụngwa, ájá, nkume nzu, na iko gbajiri agbaji n'ihe mejupụtara iko. E nwere ụdị abụọ nke ịdị adị ya: otu bụ ígwè divalent, nke na-eme ka iko iko ghọọ acha anụnụ anụnụ, nke ọzọ bụ ígwè trivalent, nke na-eme ka agba iko ghọọ odo. Discoloration bụ oxidation nke divalent ígwè ion n'ime trivalent ígwè, n'ihi na agba ike nke trivalent ígwè bụ nanị otu ụzọ n'ụzọ iri nke divalent ígwè. Mgbe ahụ gbakwunye toner iji wepụ agba na agba akwụkwọ ndụ akwụkwọ ndụ.
Ihe ndị dị n'ụwa na-adịghị ahụkebe a na-eji eme ka enyo gbanwee agba bụ nke kachasị cerium oxide na neodymium oxide. Dochie onye na-eme ihe na-acha ọcha arsenic na-acha ọcha na onye na-emepụta ihe na-adịghị ahụkebe nke ụwa ọ bụghị naanị na-eme ka arụmọrụ dịkwuo mma, kamakwa na-ezere mmetọ nke arsenic ọcha. Cerium oxide eji mee ka iko decolorization nwere uru dị ka arụmọrụ dị elu kwụsiri ike, ọnụ ala dị ala, na enweghị nnabata nke ìhè a na-ahụ anya.
Agba agba iko
Ions ụwa na-adịghị ahụkebe nwere agba kwụsiri ike ma na-egbuke egbuke na oke okpomọkụ, a na-ejikwa ya na-agwakọta n'ime ihe a na-emepụta iko dị iche iche. Oxide ụwa na-adịghị ahụkebe dị ka neodymium, praseodymium, erbium, na cerium bụ ọmarịcha iko agba. Mgbe iko transperent nke nwere agba agba ụwa na-adịghị ahụkebe na-amịkọrọ ìhè a na-ahụ anya nke nwere ogologo ebili mmiri sitere na 400 ruo 700 nanometer, ọ na-egosipụta agba mara mma. Enwere ike iji iko ndị a na-acha agba mee ihe ngosi akara ngosi maka ụgbọ elu na ịnya ụgbọ elu, ụgbọ njem dị iche iche, na ihe ịchọ mma dị elu dị elu dị iche iche.
Mgbe a na-agbakwunye neodymium oxide na iko sodium calcium calcium na iko Lead, agba nke iko na-adabere na ọkpụrụkpụ nke iko ahụ, ọdịnaya nke neodymium na ike nke ìhè ọkụ. Iko dị gịrịgịrị na-acha odo odo na-acha anụnụ anụnụ. A na-akpọ ihe omume a neodymium dichroism; Praseodymium oxide na-emepụta agba ndụ ndụ yiri chromium; Erbium (III) oxide bụ pink mgbe ejiri ya na iko Photochromism na iko kristal; Nchikota nke cerium oxide na titanium dioxide na-eme ka iko ahụ na-acha odo odo; Enwere ike iji Praseodymium oxide na neodymium oxide maka praseodymium neodymium enyo ojii.
Nkọwa ụwa dị ụkọ
Iji cerium oxide kama ịbụ arsenic oxide ọdịnala dị ka ihe na-akọwa iko iji wepụ afụ na ihe ndị nwere agba nwere mmetụta dị ukwuu na nkwadebe nke karama iko na-enweghị agba. Ngwaahịa emechara nwere fluorescence kristal na-acha ọcha, nghọta dị mma, yana ike iko dị mma na nguzogide okpomọkụ. N'otu oge ahụ, ọ na-ewepụkwa mmetọ nke arsenic na gburugburu ebe obibi na iko.
Na mgbakwunye, ịgbakwunye cerium oxide na iko kwa ụbọchị, dị ka ụlọ na iko akpaaka, iko kristal, nwere ike ibelata nnyefe nke ìhè ultraviolet, a kwalitewokwa ojiji a na Japan na United States. Site na mmụba nke ndụ ndụ na China, a ga-enwekwa ezigbo ahịa. Ịgbakwunye neodymium oxide na shea iko nke tube foto nwere ike iwepụ mgbasa nke ọkụ na-acha uhie uhie ma nwekwuo nghọta. Ugogbe anya pụrụ iche nke nwere ihe mgbakwunye ụwa na-adịghị ahụkebe gụnyere iko lanthanum, nke nwere akara nhụsianya dị elu na njirimara mgbasa ozi dị ala, a na-ejikwa ya n'ichepụta oghere dị iche iche, igwefoto dị elu, na lenses igwefoto, karịsịa maka ngwaọrụ foto dị elu; Ce radieshon proof iko, eji maka ụgbọ ala iko na TV iko shei; A na-eji iko Neodymium mee ihe dị ka ihe laser ma bụrụ ihe kachasị mma maka nnukwu lasers, nke a na-ejikarị eme ihe maka ngwa ngwa ngwa ngwa nuklia.
Oge nzipu: Jul-06-2023