Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm cerium dioxide cas 1306-38-3 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo zoo cerium dioxide cas 1306-38-3 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Cerium dioxideyog ib qho inorganic tshuaj nrog cov tshuaj formula CeO2, lub teeb daj los yog yellowish xim av hmoov. Qhov ceev 7.13g / cm3, melting point 2397 degree, insoluble nyob rau hauv dej thiab alkali, me ntsis soluble nyob rau hauv acid. Nyob rau hauv qhov kub ntawm 2000℃thiab lub siab ntawm 15MPa, cerium oxide tuaj yeem txo los ntawm hydrogen kom tau txais cerium oxide. Thaum qhov kub thiab txias yog dawb ntawm 2000℃thiab lub siab yog dawb ntawm 5MPa, cerium oxide yog daj, me ntsis reddish, thiab liab. Nws qhov kev ua tau zoo yog ua cov ntaub ntawv polishing, catalysts, catalyst carriers (additives), ultraviolet absorbers, roj cell electrolytes, automotive exhaust absorbers, electronic ceramics, thiab lwm yam.
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Tshuaj Formula |
CeO 2 |
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Exact Mass |
172 |
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Molecular Luj |
172 |
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m/z |
172 (100.0%), 174 (12.6%) |
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Elemental Analysis |
Ce, 81,41; 18.59 Nws |
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Qhov Performance index:
Raws li purity, nws muab faib ua:
Tsawg purity: purity tsis siab tshaj 99%, siab purity: 99.9% ~ 99.99%, ultra- siab purity ntau tshaj 99.999%. Raws li qhov loj me, nws tuaj yeem muab faib ua cov hmoov ntxhib, qib micron, qib submicron thiab qib nano.
Cov lus qhia kev nyab xeeb:
Cov khoom yog tshuaj lom, tsis qab, tsis khaus, nyab xeeb thiab txhim khu kev qha, muaj kev ua haujlwm ruaj khov, tsis hnov tsw nrog dej thiab cov organic teeb meem, thiab yog ib qho zoo - iav clarifier, decolorizer thiab tshuaj additives.
Qhov siab tshaj plaws tso cai concentration:
Cerium dioxide5 mg/m3, cerium hydroxide 5 mg/m3. Hnav lub npog ntsej muag roj thaum ua haujlwm. Yog tias muaj xov tooj cua, ua kom muaj kev tiv thaiv tshwj xeeb, thiab tiv thaiv cov plua plav los ntawm kev tawg.
Cerium oxide tsis tshua muaj hauv ntiaj teb ntsev tuaj yeem txo cov ntsiab lus ntawm prothrombin, inactivate nws, inhibit zus tau tej cov thromboplastin, precipitate fibrinogen thiab catalyze decomposition ntawm phosphate tebchaw. Cov tshuaj lom ntawm cov ntsiab lus tsawg hauv ntiaj teb txo qis nrog qhov nce ntawm atomic hnyav.
Kev nqus cov plua plav uas muaj cerium muaj kev ua haujlwm pneumoconiosis, thiab nws cov tshuaj chloride ua rau muaj kev phom sij rau ntawm daim tawv nqaij thiab tuaj yeem txhawb nqa cov mucous ntawm lub qhov muag.
Txoj kev tsim cov cerium oxide feem ntau yog oxalic acid los nag txoj kev, uas yog, noj cerium chloride los yog cerium nitrate tov raws li raw khoom, kho tus nqi pH rau 2 nrog oxalic acid, ntxiv ammonia rau precipitate Cerium Oxalate, cua sov thiab kho, sib cais, ntxuav, ziab ntawm 110℃~ 0.
Oxidizing tus neeg sawv cev. Catalysts rau cov tshuaj tiv thaiv organic. Hlau tsom xam raws li lub ntiaj teb tsis tshua muaj hlau qauv qauv. Redox titration tsom xam. Xim iav. Iav enamel tshuaj pleev thaiv hnub. tshav kub-resisting alloy. Siv los ua ib qho ntxiv hauv kev lag luam iav, ua cov khoom sib tsoo rau iav daim hlau, thiab kuj yog ib qho tshuaj tiv thaiv UV hauv tshuaj pleev ib ce. Nws tau nthuav dav mus rau kev sib tsoo ntawm cov iav tsom iav, qhov muag qhov muag, thiab cov kab hluav taws xob cathode, ua lub luag haujlwm hauv kev decolorization, kev qhia meej, thiab nqus ntawm ultraviolet thiab electron rays hauv iav.
1. Tsis tshua muaj lub ntiaj teb polishing nyhuv
Tsis tshua muaj lub ntiaj teb polishing hmoov muaj qhov zoo ntawm kev ceev polishing ceev, siab smoothness, thiab ntev kev pab cuam lub neej. Piv nrog cov tsoos polishing hmoov - hlau liab hmoov, nws tsis ua phem rau ib puag ncig thiab yooj yim tshem tawm ntawm cov khoom siv. Polishing lub lens nrog cerium oxide polishing hmoov yuav siv sij hawm ib feeb los ua kom tiav cov hauj lwm, thaum siv hlau oxide polishing hmoov yuav siv sij hawm 30-60 feeb. Yog li ntawd, tsis tshua muaj lub ntiaj teb polishing hmoov muaj qhov zoo ntawm qhov tsawg npaum li cas, ceev polishing ceev, thiab siab polishing efficiency. Thiab nws tseem tuaj yeem hloov qhov polishing zoo thiab kev ua haujlwm ib puag ncig. Feem ntau, lub ntiaj teb tsis tshua muaj iav polishing hmoov yog ua los ntawm cerium nplua nuj oxide.
Cerium oxide yog ib qho zoo heev polishing compound vim nws tuaj yeem polish iav hauv ob qho tib si tshuaj decomposition thiab kev sib txhuam cov ntaub ntawv ib txhij. Tsis tshua muaj ntiaj teb cerium polishing hmoov yog dav siv rau polishing lub koob yees duab, lub koob yees duab lo ntsiab muag, TV duab raj, tsom iav qhov muag, thiab lwm yam. Muaj ntau ntau lub ntiaj teb tsis tshua muaj polishing hmoov factories nyob rau hauv Suav teb, muaj ntau tshaj kaum ua ntau pua tons. Baotou Tianjiao Qingmei Tsis tshua muaj Lub Ntiaj Teb Polishing Powder Co., Ltd., Sino txawv teb chaws sib koom ua lag luam, yog ib lub ntiaj teb tsis tshua muaj polishing hmoov factories nyob rau hauv Suav teb, nrog rau ib xyoos twg muaj peev xwm ntawm 1200 tons, thiab nws cov khoom raug muag nyob rau hauv domestic thiab txawv teb chaws.
2. iav decolorization
Tag nrho cov iav muaj hlau oxide, uas tuaj yeem nkag mus rau hauv iav los ntawm cov khoom siv raw, xuab zeb, limestone, thiab iav tawg hauv cov khoom xyaw iav. Muaj ob hom ntawm nws lub neej: ib qho yog divalent hlau uas hloov cov iav xim mus rau hauv xiav sib sib zog nqus, thiab lwm yam yog trivalent hlau uas hloov cov iav xim mus rau daj.Cerium dioxideyog oxidation ntawm divalent hlau ions rau trivalent hlau, vim hais tias cov xim siv ntawm trivalent hlau tsuas yog ib feem kaum ntawm divalent hlau. Tom qab ntawd ntxiv cov xim ntxiv kom tsis txhob muaj xim rau hauv cov xim ntsuab.
Lub ntiaj teb tsis tshua muaj siv rau iav decolorization feem ntau yog cerium oxide thiab neodymium oxide. Tsis tshua muaj lub ntiaj teb iav decolorizers hloov cov tshuaj dawb arsenic decolorizers, tsis tsuas yog txhim kho kev ua tau zoo, tab sis kuj zam kev ua paug dawb arsenic. Cerium oxide siv rau iav decolorization muaj qhov zoo ntawm qhov kub thiab txias, tsis tshua muaj nqi, thiab tsis nqus pom lub teeb.
3. iav xim
Tsis tshua muaj lub ntiaj teb ions muaj cov xim ruaj khov thiab ci ntsa iab ntawm qhov kub thiab txias, thiab siv los muab cov kev daws teeb meem rau kev tsim cov iav ntau xim. Neodymium, praseodymium, erbium, cerium thiab lwm yam tsawg lub ntiaj teb oxides yog cov xim iav zoo heev. Thaum cov iav pob tshab nrog cov xim tsis tshua muaj lub ntiaj teb absorbs pom lub teeb nrog wavelengths ntawm 400-700 nanometers, nws pom cov xim zoo nkauj. Cov tsom iav uas muaj xim no tuaj yeem siv los ua qhov taw qhia teeb pom kev rau aviation, navigation, ntau lub tsheb thauj mus los, thiab ntau yam khoom zoo nkauj zoo nkauj.
Thaum neodymium oxide ntxiv rau sodium calcium iav thiab lead iav, qhov tob ntawm iav xim nyob ntawm qhov tuab ntawm iav, cov ntsiab lus ntawm neodymium, thiab lub zog ntawm lub teeb ci. Nyias iav zoo li lub teeb liab, thaum iav tuab zoo li xiav ntshav. Qhov tshwm sim no hu ua neodymium bichromaticity; Praseodymium oxide tsim cov xim ntsuab zoo ib yam li chromium; Erbium oxide yog siv hauv photochromic iav thiab siv lead ua iav kom pom liab dawb; Kev sib xyaw ntawm cerium oxide thiab titanium dioxide ua rau lub iav tig daj; Praseodymium oxide thiab neodymium oxide tuaj yeem siv rau praseodymium neodymium dub iav.
4. Rare earth clarifying agent
Siv cerium oxide es tsis txhob siv cov tshuaj arsenic oxide ib txwm siv los ua cov iav kom pom tseeb tuaj yeem tshem tawm cov npuas thiab cov xim xim, uas ua rau muaj kev cuam tshuam tseem ceeb hauv kev npaj cov iav tsis muaj xim. Cov khoom tiav lawm muaj cov dawb crystal fluorescence, zoo pob tshab, thiab txhim kho iav lub zog thiab kub ua hauj. Nyob rau tib lub sijhawm, nws kuj tshem tawm cov pa phem arsenic rau ib puag ncig thiab iav.
Tsis tas li ntawd, cerium oxide yog ntxiv rau cov iav niaj hnub, xws li lub tsev thiab lub tsheb iav, iav siv lead ua, uas tuaj yeem txo qhov kev xa tawm ntawm ultraviolet rays. Qhov kev siv no tau nce qib hauv Nyiv thiab Tebchaws Meskas.
Nrog rau kev txhim kho kev ua neej nyob hauv peb lub teb chaws, kuj yuav muaj kev lag luam zoo dua. Ntxiv neodymium oxide rau lub iav plhaub ntawm lub raj xa hluav taws xob cathode tuaj yeem tshem tawm qhov tawg ntawm lub teeb liab thiab ua kom pom tseeb. Cov tsom iav tshwj xeeb nrog lub ntiaj teb tsis tshua muaj ntxiv suav nrog: lanthanum iav, uas muaj qhov ntsuas siab siab thiab cov yam ntxwv tsis sib xws, yog siv dav hauv kev tsim ntau lub lens thiab cov koob yees duab siab heev, lub koob yees duab lo ntsiab muag, tshwj xeeb tshaj yog rau siab -altitude photography devices; Cerium radiation resistant iav, siv rau automotive iav thiab TV iav plhaub; Neodymium iav yog siv los ua cov khoom siv laser thiab yog cov khoom siv zoo tshaj plaws rau cov lasers loj heev, feem ntau yog siv los tswj cov khoom siv hluav taws xob nuclear.
Cerium oxide (CeO2), uas yog ib qho tseem ceeb tsis tshua muaj hauv ntiaj teb oxide, tau qhia dav daim ntawv thov kev cia siab nyob rau hauv ntau yam xws li catalysis, zog, biomedical, optics, thiab electronics vim nws lub cev thiab tshuaj lom neeg lub zog, xws li siab oxygen cia muaj peev xwm, zoo redox kev ua tau zoo, thiab zoo heev catalytic kev ua si. Nws cov txheej txheem synthesis muaj ntau yam, suav nrog tshuaj lom neeg nag lossis daus, sol-gel, hydrothermal, theem khoom, lom thiab lwm yam tshwj xeeb. Cov hauv qab no yog cov ncauj lus kom ntxaws txog cov txheej txheem synthesis.
Tshuaj los nag txoj kev
Tshuaj los nag txoj kev yog ib txoj kev siv ntau tshaj plaws rau kev sib txuas ntawm cerium oxide hmoov hauv kev lag luam. Txoj kev no suav nrog ntxiv cov dej nag (xws li dej ammonia, ammonium bicarbonate, ammonium carbonate, urea, thiab lwm yam) rau cov tshuaj ntsev hlau (xws li cerium nitrate, cerium chloride, thiab lwm yam), ua rau cov hlau ions hnov mob nrog cov dej nag los ua cov dej nag. Tom qab ntawd, los ntawm cov kauj ruam xws li pom, ntxuav, ziab, thiab calcination, nanoscale oxide hmoov tuaj yeem npaj tau.
Siv cerium nitrate aqueous tov ua raw khoom, ntxiv sodium hydroxide rau nag lossis daus, lim, ntxuav, thiab siab -kub calcination kom tau cerium oxide. Cov txheej txheem no yog qhov yooj yim heev thiab yog ib qho ntawm cov txheej txheem kev npaj siv.
Siv cerium chloride los yog cerium nitrate tov raws li raw cov ntaub ntawv, kho tus nqi pH rau ib ncig ntawm 2 nrog oxalic acid, thiab ces ntxiv ammonia dej rau precipitate cerium oxalate thiab mature nws. Tom qab cua sov, sib cais, ntxuav, thiab ziab, cerium oxide yog tau los ntawm siab -kub calcination ntawm 900-1000℃. Txoj kev no muaj cov khoom purity siab, tab sis cov nqi tsim khoom kuj yog siab heev.
Los ntawm kev tswj cov tshuaj tiv thaiv, cov nag lossis daus yog maj mam tsim hauv cov tshuaj kom ua tiav cov nag lossis daus ntawm cov hlau ions. Piv txwv li, cerium nitrate hexahydrate thiab sodium citrate dihydrate tuaj yeem yaj hauv dej deionized, thiab dej ammonia tuaj yeem muab ntxiv ua cov dej nag. Tom qab qee lub sijhawm cov tshuaj tiv thaiv, lawv tuaj yeem raug dialyzed thiab khov - kom qhuav kom tau txais cerium oxide nanomaterials.
Txoj kev no tuaj yeem npaj cerium oxide nanoparticles nrog me me particle loj thiab sib faib.
Sol gel txoj kev
Sol gel txoj kev yog ib txoj kev los npaj cerium oxide hais nrog siab purity, zoo uniformity thiab controllable particle loj ntawm qhov kub thiab txias. Txoj kev no siv cov hlau alkoxides lossis cov ntsev inorganic los ua cov khoom siv raw, tsim cov sol los ntawm hydrolysis thiab condensation cov tshuaj tiv thaiv, thiab tom qab ntawd dries thiab kub kho cov sol kom tau cov khoom oxides.
Inorganic ntsev los yog alkoxides yog sib cais nyob rau hauv ib tug tov, thiab ib tug sol yog tau los ntawm hydrolysis thiab condensation tshua. Tom qab ntawd, lub sol yog qhuav kom tshem tawm cov kuab tshuaj thiab dej kom tau cov gel qhuav. Thaum kawg, cov gel qhuav yog calcined ntawm qhov kub thiab txias kom hloov mus rau hauv cerium oxide hais.
Sol gel txoj kev tuaj yeem ua tiav kev sib xyaw ua ke ntawm qib molecular, uas yog qhov tsim nyog rau cov khoom sib xws ntawm cov kab mob. Lub caij no, txoj kev no muaj cov tshuaj tiv thaiv me me thiab tuaj yeem npaj cov ntaub ntawv tshiab los ntawm kev tswj cov tshuaj tiv thaiv sib txawv thiab cov khoom siv raw.
Sol gel txoj kev yog dav siv nyob rau hauv kev npaj ntawm ceria films, nanoparticles thiab composites. Piv txwv li, ceria titanium dioxide composites nrog siab catalytic muaj peev xwm npaj tau los ntawm sol-gel method.
Hydrothermal txoj kev
Hydrothermal method yog ib txoj hauv kev ua kom yaj thiab recrystallizing nyuaj rau yaj lossis cov khoom tsis sib haum hauv cov txheej txheem tsim tshwj xeeb kaw cov tshuaj tiv thaiv kab mob, siv cov tshuaj aqueous ua qhov nruab nrab, thiab tsim kom muaj qhov siab - kub thiab siab - kev kub ntxhov ib puag ncig los ntawm cua sov cov tshuaj tiv thaiv. Txoj kev no muaj qhov tshwj xeeb zoo hauv kev npaj ntawm cerium oxide nanomaterials.
Sib tov cerium nitrate nrog dej ammonia thiab ntxiv sodium hydroxide rau hydrothermal cov tshuaj tiv thaiv. Tom qab ntxuav, lim, thiab ziab, cerium oxide nanomaterials tuaj yeem tau.
Txoj kev hydrothermal yog qhov muaj txiaj ntsig zoo rau kev tau txais qib siab - zoo cerium oxide nanomaterials, nrog cov khoom siab purity thiab nqaim particle loj. Lub caij no, txoj kev no tuaj yeem tswj cov morphology thiab particle loj ntawm cerium oxide los ntawm kev kho cov tshuaj tiv thaiv xws li kub, siab, tshuaj tiv thaiv lub sijhawm, thiab lwm yam.
Txoj kev hydrothermal muaj ntau yam kev siv hauv kev npaj ntawm cerium oxide nanomaterials nrog txawv morphologies thiab particle loj. Piv txwv li, cerium oxide nanoparticles nrog ntau yam morphologies xws li spherical, pas nrig-zoo li tus, cubic, thiab lwm yam tuaj yeem npaj los ntawm txoj kev hydrothermal.
Khoom -theem txheej txheem
Cov txheej txheem txheej txheem yog ib txoj hauv kev npaj cerium oxide los ntawm cov khoom siv tshuaj tiv thaiv, suav nrog cov khoom-theem thermal decomposition, siab- kub khoom- theem tshuaj tiv thaiv, thiab chav kub kub khoom - theem tshuaj tiv thaiv.
Hlau ntsev los yog hlau oxides yog sib xyaw kom huv si raws li cov qauv, hauv av, thiab tom qab ntawd calcined ncaj qha kom tau txais cov khoom lossis hauv av dua kom tau txais cov khoom. Txoj kev no muaj cov txheej txheem yooj yim, tab sis cov hmoov generated yog nquag mus rau agglomeration thiab yuav tsum tau thib ob crushing.
Ua kom tiav cov hlau ntsev lossis hlau oxide nyob rau hauv ib qho kev faib ua feem thiab zom lawv, thiab tom qab ntawd calcine lawv ntawm qhov kub thiab txias kom ncaj qha npaj nano hmoov los ntawm cov tshuaj tiv thaiv theem.
Cov tshuaj nruab nrab yog synthesized los ntawm kev sib tsoo cov reactants ntawm chav tsev kub, thiab tom qab ntawd cov tebchaw raug kho kom tsim nyog kom tau txais cov khoom kawg. Cov qauv no muaj tus nqi qis, cov cuab yeej sim yooj yim, cov txheej txheem luv luv, kev ua haujlwm yooj yim, thiab cov khoom sib txawv me me uas tsis muaj qhov tshwm sim agglomeration.
Biological Law
Cov txheej txheem lom neeg yog ib txoj hauv kev rho tawm cerium oxide los ntawm kev daws los ntawm kev siv cov adsorption ntawm cerium oxide los ntawm cov kab mob lossis cov nroj tsuag. Txoj kev no yog ib puag ncig tus phooj ywg thiab tus nqi - siv tau, tab sis nws cov txiaj ntsig extraction tsawg thiab xav tau kev ua kom zoo ntxiv.
Lwm txoj kev tshwj xeeb
Txo cov nag lossis daus rov qab kev npaj npaj: tuaj yeem siv los npaj cerium oxide nrog cov duab sib txawv thiab qhov ntau thiab tsawg. Txoj kev no txo qis valence cerium ions mus rau qis valence xeev los ntawm kev txo cov tshuaj tiv thaiv, thiab tom qab ntawd tau txais cerium oxide precipitates los ntawm nag lossis daus rov qab extraction.
Txoj kev electrolytic:
Txawm hais tias cerium hlau nws tus kheej tsis tuaj yeem tau txais lawm, molten cerium oxide tuaj yeem smelted rau hauv cerium hlau los ntawm electrolysis. Cov txheej txheem no qhia ncaj qha qhia txog txoj hauv kev npaj tau rau cerium oxide.
Calcium thermal txo txoj kev:
Lwm txoj hauv kev rau smelting cerium hlau, uas nws cov txheej txheem rov qab tuaj yeem suav tias yog ib txoj hauv kev los npaj cerium oxide.
Txoj kev microwave:
Siv cov yam ntxwv ceev thiab zoo ib yam ntawm microwave cua sov los npaj cerium oxide nanomaterials. Txoj kev no tuaj yeem txo lub sijhawm cov tshuaj tiv thaiv, txhim kho cov tshuaj tiv thaiv kev ua haujlwm, thiab npaj cerium oxide nanoparticles nrog qhov loj me me.
Txoj kev Microemulsion:
Npaj cerium oxide nano cov ntaub ntawv los ntawm micro reactor hauv micro lotion system. Txoj kev no tuaj yeem tswj tau qhov loj me me thiab morphology ntawm cerium oxide thiab npaj cerium oxide nanomaterials nrog cov qauv tshwj xeeb.
FAQ
Puas yog cerium oxide ua haujlwm tiag tiag?
Cerium Oxide yog polishing compound uas tshem tawm cov stains thiab khawb ntawm iav. Sib tov nrog dej los ua ib qho muab tshuaj txhuam, nws yog siv nrog lub ntsej muag los yog ua npuas ncauj. Cov kev ua buffing tshem tawm imperfections thiab restores ci.
Lwm lub npe rau cerium oxide yog dab tsi?
Lwm lub npe nrov ntawm cerium oxide yog cerium dioxide, ceric dioxide, ceric oxide, ceria thiab cerium oxide, thiab lwm yam. Hauv kev tshawb fawb, cerium oxide muaj kev txaus siab rau kev lag luam iav, dip polishing, studio, thiab projector teeb pom kev zoo. Feem ntau, cerium oxide (CeO2) tsis soluble hauv dej.
Cerium oxide muaj tshuaj lom li cas?
Cerium Compounds: Cerium compounds yog me me mus rau nruab nrab toxicity, nyob ntawm seb cov compound. Hauv kev tshawb fawb tsiaj, cerium carbonate, cerium fluoride, thiab cerium oxide tsis pom tias muaj tshuaj lom, tsis pom muaj tsos mob ntawm daim tawv nqaij, thiab ua rau khaus qhov muag tsawg.
Dab tsi yog cerium dioxide siv rau?
Cerium dioxide yog siv los ua cov khoom siv polishing, catalyst, catalyst carrier (tus pab), ultraviolet absorber, roj cell electrolyte, tsheb tso pa absorber, hluav taws xob ceramics, thiab lwm yam.
Cim npe nrov: Cerium dioxide CAS 1306-38-3, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom