Shaanxi BLOOM Tech Co., Ltd. yog ib tug ntawm cov uas paub txog manufacturers thiab lwm tus neeg ntawm praseodymium hmoov cas 7440-10-0 nyob rau hauv Suav teb. Txais tos rau cov lag luam wholesale bulk zoo praseodymium hmoov cas 7440-10-0 muag ntawm no los ntawm peb lub hoobkas. Kev pabcuam zoo thiab tus nqi tsim nyog muaj.
Praseodymium hmoovyog ib qho tshuaj lom neeg nrog tus lej atomic 59 thiab cov cim tshuaj Pr. Nws yog silvery dawb nyob rau hauv nws cov ntshiab lub xeev, tab sis nws oxidizes sai heev nyob rau hauv huab cua thiab tig daj los yog ntsuab, thiab nws yog nyob rau hauv chav tsev kub. Nws yog ib tug kuj mos hlau thiab yog malleable thiab malleable, cia nws yuav tsum tau tsim rau hauv ntau yam duab. Zoo ib yam li lwm cov hlau tsis tshua muaj hauv ntiaj teb, Praseodymium tau yooj yim oxidized hauv huab cua, thiab oxide zaj duab xis yuav tsim rau saum npoo. Cov txheej ntawm oxide zaj duab xis no hloov xim ntawm Praseodymium mus rau daj lossis ntsuab. Yog cov khoom siv hluav taws xob zoo thiab thermal conductivity. Cov khoom siv ferromagnetic uas muaj lub sijhawm sib nqus sib nqus thiab nthuav tawm cov txiaj ntsig muaj zog sib nqus. Nws muaj cov hluav taws xob siab thiab thermal conductivity, thiab ob qho tib si qhov tseem ceeb nce nrog qhov kub thiab txias. Qhov no tau ua rau kev loj hlob ntawm Praseodymium hauv kev lag luam hluav taws xob thiab thermals.
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Tshuaj Formula |
C3H7 |
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Exact Mass |
220 |
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Molecular Luj |
221 |
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m/z |
220 (100.0%), 222 (32.0%), 221 (13.0%), 223 (4.1%) |
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Elemental Analysis |
C, 65,33; H, 4,57; 16.07 Nws; Ib., 14.04 |
Praseodymium, uas yog ib qho tseem ceeb ntawm cov tsev neeg lub ntiaj teb tsis tshua muaj, nthuav tawm cov txiaj ntsig tsis muaj txiaj ntsig hauv ntau qhov chaw lag luam vim nws lub cev thiab tshuaj lom neeg tshwj xeeb. Los ntawm cov tsoos ceramics rau niaj hnub fiber optic kev sib txuas lus, los ntawm lub zog catalysis mus rau aerospace, daim ntawv thov ntawm praseodymium tau nkag mus rau hauv txhua yam ntawm tib neeg kev tsim khoom thiab lub neej.
Daim ntawv thov ntawmpraseodymium hmoovnyob rau hauv daim teb ntawm cov khoom siv hlau nplaum ruaj khov tuaj yeem suav tias yog lub hauv paus ntawm kev lag luam niaj hnub no. Txawm hais tias qhov kev ua tau zoo ntawm cov hlau nplaum ua los ntawm praseodymium nkaus xwb yog txwv, raws li cov khoom sib xyaw ua ke, praseodymium neodymium alloy (NdPr) tsim nrog neodymium (Nd) tau dhau los ua cov khoom tseem ceeb ntawm peb - tiam tsis tshua muaj ntiaj teb cov hlau nplaum ruaj khov (NdFeB). Cov hlau no ua kom cov oxidation tsis kam thiab lub zog txhua yam ntawm cov hlau nplaum los ntawm kev ntxiv 15-25% praseodymium, thaum txo qhov kev cia siab ntawm cov ntshiab neodymium, uas ua rau cov khoom siv txo qis dua 30%.
Tej yam kev thov scenarios:
Lub zog tshiab lub tsheb tsav lub cev muaj zog: Tesla Model 3's mus tas li hlau nplaum synchronous lub cev muaj zog siv praseodymium neodymium alloy hlau nplaum, uas ua rau lub cev muaj zog ntau dua 97% thiab nce kev tsav tsheb ntau dua 15%.
Cua turbine: Lub Vestas V164-9.5MW offshore cua turbine siv praseodymium hlau nplaum thiab muaj peev xwm tswj tau lub zog tsim hluav taws xob ntawm 92% nyob rau hauv qis cua ceev.
Consumer Electronics: Hauv kev co lub cev muaj zog ntawm Apple AirPods Pro, praseodymium neodymium hlau nplaum ua tiav kev tswj hwm ntawm qib 0.2mm, txhim kho suab nrov txo kev ua haujlwm.
Cov khoom siv hluav taws xob hloov pauv ntawm praseodymium ua rau nws "xim wizard" hauv kev kho qhov muag. Nws cov tebchaw tuaj yeem nqus cov wavelengths tshwj xeeb ntawm lub teeb thiab ua lub luag haujlwm tseem ceeb hauv iav, ceramics, thiab laser tshuab.
Core technology breakthrough:
Cov iav tiv thaiv tshwj xeeb: Praseodymium neodymium iav dhau los ua cov khoom tseem ceeb ntawm vuam ntsej muag tiv thaiv los ntawm absorbing 589nm sodium daj teeb. Lub Pr Nd co doped iav tsim los ntawm Schneider Electric nyob rau hauv lub teb chaws Yelemees tuaj yeem txo qhov kev siv ntawm lub teeb hluav taws xob muaj zog los ntawm 99.9% thiab tiv thaiv cov welder lub retina los ntawm kev puas tsuaj.
Fiber optic kev sib txuas lus: praseodymium doped fiber ntau amplifier (PDFA) ua tiav 30dB optical teeb liab nce hauv 1300nm band, txhawb kev txhim kho thiab hloov pauv ntawm Tuam Tshoj 1550nm fiber optic network. Pab pawg kws tshaj lij Huawei tau ua kom zoo tshaj qhov kev faib tawm ntawm praseodymium ions, txo cov fiber ntau xa mus rau 0.18dB / km.
Laser thev naus laus zis: Pr: YAG siv lead ua tuaj yeem tsim 1.06 μ m ze - laser infrared, uas yog siv rau hauv kev kho mob rau daim tawv nqaij zoo nkauj thiab kho qhov muag. Lub Pr laser system tsim los ntawm Coherent Corporation hauv Tebchaws Meskas ua tiav cov ntaub so ntswg txiav nrog qhov tseeb ntawm 0.1 hli, txo cov sijhawm rov qab los ntawm 40%.
Nyob rau hauv lub tshav pob ntawm petrochemicals, praseodymium, raws li ib tug active tivthaiv ntawm catalysts, ho txhim kho cracking efficiency los ntawm regulating cov tshuaj tiv thaiv txoj kev. Pr Nd enrichment/Y-hom zeolite catalyst tsim los ntawm Sinopec tau nce roj av tawm los ntawm 8% thaum tswj coke ntau lawm qis dua 3%.
Industrial Application Case:
Catalytic cracking unit: Tom qab siv praseodymium raws li catalysts nyob rau hauv 10 lab tons / xyoo refining chav tsev ntawm Zhenhai Refining thiab tshuaj, cov tawm los ntawm lub teeb roj tau nce los ntawm 72% mus rau 78%, nrog rau ib xyoos twg ntawm cov nyiaj pab ntau tshaj 200 lab yuan.
Automotive exhaust purification: CeO2-ZrO2 oxygen cia khoom doped nrog praseodymium ua rau peb-txoj kev catalyst pib purification cov tshuaj tiv thaiv ntawm 500 degree, txo NOx emissions los ntawm 60% thaum lub caij txias pib.
Biodiesel synthesis: Praseodymium hloov kho cov kua qaub catalyst tuaj yeem ua rau cov roj hloov mus rau 98%, txo cov tshuaj tiv thaiv kub ntawm 220℃mus rau 180 degree, thiab txo lub zog noj los ntawm 25%.
Lub atomic radius ntawmpraseodymium hmoovnyob ze ntawm lub teeb hlau xws li magnesium thiab txhuas, thiab nws cov khoom siv tuaj yeem txhim kho tau zoo los ntawm cov khoom siv ntxiv dag zog. Nyob rau hauv aerospace teb, lub zog tawm los ntawm Pr Mg alloy ncav cuag 420MPa, uas yog peb zaug siab dua li cov magnesium ntshiab, thaum tswj qhov seem stability ntawm 180 degree.
Qhov tseem ceeb technical parameter:
Kub kub alloy: Ntxiv 0.3% praseodymium rau Inconel 718 alloy tsub kom lub zog endurance ntawm 800MPa rau 1050MPa ntawm 650 degree.
Hnav cov khoom siv tiv thaiv: Kev sib tsoo ntawm praseodymium corundum sib tsoo lub log nce mus txog 1: 5000, uas yog 2.3 npaug ntawm cov dawb corundum, ua tiav kev tswj xyuas qhov tseeb ntawm 0.01mm qib hauv aircraft cav hniav ua.
Anti-corrosion txheej: Lub corrosion kuj tam sim no ceev ntawm praseodymium hloov epoxy resin txheej nyob rau hauv 3.5% NaCl tov yog txo mus rau 10 ⁻⁶ A / cm ², thiab kev tiv thaiv lub neej yog ncua mus rau 15 xyoo.
Nyob rau hauv lub tshav pob ntawm ceramics, colouring zog ntawm praseodymium muab ib tug tshwj xeeb "tsis tshua muaj lub ntiaj teb daj" glaze. Los ntawm kev tswj qhov piv ntawm Pr ³ ⁺ / Pr ⁴⁺ valence hais, xim gradient los ntawm txiv qaub daj mus rau golden tuaj yeem ua tiav, npog thaj tsam 0.35-0.45y ntawm CIE 1931 chromaticity daim duab.
Kev xyaum ntawm txheej txheem Innovation:
Architectural ceramics: praseodymium glazed microcrystalline iav vaj huam sib luag tsim los ntawm Mona Lisa Group muaj Mohs hardness ntawm 7 thiab hnav tsis kam tsib zaug siab dua li cov vuas ceramic.
Txhua hnub ceramics: Jingdezhen siv praseodymium glaze formula los tsim cov pob txha ceramics, nrog lub teeb xa mus rau 62% thiab thermal stability mus txog 200℃-20℃yam tsis muaj cracking thaum lub sij hawm txias ceev.
Kev kos duab ceramics: Lub praseodymium yttrium co doped glaze nthuav tawm "golden star glaze" nyhuv thaum raug rho tawm haujlwm ntawm 1280 degree, thiab lub sij hawm hlau nplaum txuas ntxiv ntawm 3 xyoos mus rau 15 xyoo.
Nrog rau txoj kev loj hlob ntawm quantum technology thiab lub zog tshiab technology, tshiab siv praseodymium tseem tshwm sim:
Quantum suav: Pr ³ ⁺ doped Y ₂ SiO ₅ crystals ua haujlwm li quantum cia xov xwm, nrog lub sijhawm cia siab tshaj 100ms, tso lub hauv paus rau kev txhim kho quantum repeaters.
Nuclear zog engineering: Pr ₂ O3 yog siv los ua cov khoom siv pas nrig kom ua tiav kev tswj hwm ntawm neutron absorption cross-section nyob rau hauv lub thib plaub tiam sodium cooled ceev reactor, txhim kho reactor kev nyab xeeb los ntawm ob qhov kev txiav txim ntawm magnitude.
Lub xeev cov tub yees: PrNi ₅ alloy nthuav tawm qhov sib nqus entropy hloov pauv ntawm 20J / (mol · K) nyob rau hauv qhov kub ntawm 2K, muab cov tswv yim tshiab rau cov kua helium hloov tshuab.
Praseodymium hmoovyog ib qho ntawm cov khoom tsis tshua muaj hauv ntiaj teb. Vim nws cov ntawv thov tseem ceeb hauv ntau qhov chaw, kev tsim khoom thiab kev npaj ntawm Praseodymium kuj tau dhau los ua qhov tseem ceeb. Tag nrho cov txheej txheem hluavtaws ntawm Praseodymium yuav qhia hauv qab no.
Cov kuab tshuaj extraction yog ib txoj kev siv feem ntau rau kev npaj ntawm Praseodymium, uas yog feem ntau raws li kev xaiv solubility ntawm Praseodymium ions hauv organic extractants. Organic acids xws li dimercaptomethane feem ntau yog siv los ua cov extractants cais Praseodymium ions los ntawm kev sib tov. Cov kauj ruam ua haujlwm tshwj xeeb suav nrog: sib tov cov khoom siv raw uas muaj Praseodymium nrog tus neeg sawv cev tsim nyog, ntxiv cov nqi tsim nyog ntawm hydrochloric acid lossis lwm cov kua qaub nruab nrab los txhawb cov tshuaj tiv thaiv, thiab tom qab ntawd sib cais cov organic txheej nrog dej. Thaum kawg, Praseodymium yog purified los ntawm kev txo qis, nag lossis daus, pom thiab lwm cov kauj ruam.
Txoj kev microbial yog ib hom tshiab ntawm Praseodymium ntau lawm txoj kev, uas yog ua tiav los ntawm kev siv cov yam ntxwv ntawm tej yam kab mob uas yuav nqus tau thiab hloov Praseodymium ntsiab. Txoj kev no tuaj yeem siv ib leeg lossis ua ke nrog lwm cov txheej txheem lom neeg. Feem ntau siv cov kab mob muaj xws li: pwm thiab kab mob. Nyob rau hauv txoj kev no, cov kab mob los yog pwm raug cais tawm ntawm cov dej khib nyiab uas muaj Praseodymium, thiab tom qab ntawd ua kom huv si kom tau Praseodymium los ntawm cov txheej txheem xws li kev cog qoob loo thiab kev kho enzyme.
Txoj kev txo oxide yog lwm txoj hauv kev tseem ceeb rau kev npaj Praseodymium. Lub hauv paus ntsiab lus yog txo cov oxide ntawm Praseodymium mus rau lub xeev hlau. Cov kauj ruam tshwj xeeb suav nrog: sib tov cov oxide ntawm Praseodymium nrog tus neeg sawv cev txo qis (xws li txhuas) thiab ua rau kub siab kom nws txo qis rau lub xeev hlau. Tsis tas li ntawd, txoj kev no tseem tuaj yeem siv cov tshuaj txo qis xws li carbon lossis sodium los ua cov tshuaj tiv thaiv, tab sis kev saib xyuas yuav tsum tau them rau cov huab cua thiab qhov kub thiab txias thaum lub sij hawm cov tshuaj tiv thaiv.
Txoj kev txo cov hydrogen yog ib txoj kev npaj ntawm Praseodymium, uas feem ntau yog siv los tsim high-purity Praseodymium. Lub hauv paus ntsiab lus yog txo cov oxide ntawm Praseodymium rau hauv lub xeev hlau nrog hydrogen. Cov txheej txheem kev ua haujlwm tshwj xeeb suav nrog: reacting oxide ntawm Praseodymium nrog hydrogen ntawm qhov kub thiab txias kom txo nws mus rau lub xeev hlau. Tom qab cov tshuaj tiv thaiv dhau lawm, Praseodymium raug rho tawm los ntawm cov kauj ruam xws li cua txias, nag lossis daus, thiab pom.
Txoj kev txo metallothermal yog ib txoj kev tshiab ntawm kev npaj Praseodymium. Nws lub hauv paus ntsiab lus tseem ceeb yog siv cov hlau los ua cov tshuaj tiv thaiv nrog Praseodymium oxides ntawm qhov kub thiab txias los tsim cov hlau ntsev, thiab tom qab ntawd txo lawv nrog tus neeg sawv cev txo. Cov txheej txheem kev ua haujlwm tshwj xeeb suav nrog: sib tov Praseodymium oxides nrog hlau (xws li sodium, calcium, aluminium, thiab lwm yam) thiab ua rau kub siab los tsim cov ntsev hlau sib xws. Tom qab ntawd, cov hlau ntsev raug txo rau hauv daim ntawv hlau siv tus neeg sawv cev txo qis. Qhov zoo ntawmPraseodymium hmoovtau los ntawm txoj kev no yog siab, tab sis tus nqi ntau lawm kuj siab.
Hauv kev xaus, tsib txoj kev qhia saum toj no tuaj yeem siv rau kev npaj ntawm Praseodymium, ntawm cov kuab tshuaj rho tawm thiab txo oxide yog ob txoj kev siv ntau. Cov txheej txheem sib txawv yog tsim nyog rau cov kev xav tau sib txawv, thiab txoj kev npaj tsim nyog tshaj plaws yuav tsum tau xaiv raws li qhov xwm txheej tshwj xeeb.
Praseodymium yog cov khoom siv tshuaj lom neeg uas muaj cov khoom siv tshuaj lom neeg zoo ib yam li lwm cov hlau tsis tshua muaj hauv ntiaj teb, tab sis kuj muaj nws cov khoom siv tshwj xeeb.
Praseodymium reacts nrog oxygen nyob rau hauv cov huab cua los ua ib tug nyias oxide zaj duab xis. Cov oxide zaj duab xis no tuaj yeem tiv thaiv Praseodymium los ntawm oxidation ntxiv, tab sis thaum muaj qhov kub thiab txias lossis muaj zog oxidizing cov neeg ua haujlwm (xws li nitric acid), oxide zaj duab xis yuav decompose los yog puas. Tsis tas li ntawd, Praseodymium kuj tuaj yeem ua rau cov pa roj carbon dioxide los tsim Praseodymium carbonate.
Praseodymium tuaj yeem hnov mob nrog cov kua qaub kom tau txais cov ntsev Praseodymium sib raug. Piv txwv li, Praseodymium tuaj yeem hnov mob nrog cov kua qaub xws li hydrochloric acid thiab nitric acid los tsim cov tebchaw xws li chlorides thiab nitrates sib haum rau Praseodymium. Cov tebchaw no feem ntau yog cov ntaub ntawv tseem ceeb rau kev npaj Praseodymium.
Thaum Praseodymium reacts nrog alkali, nws yuav tsim tau Praseodymium hydroxide los yog oxide. Hauv sodium hydroxide lossis potassium hydroxide tov, Praseodymium tuaj yeem hnov mob nrog dej los tsim Praseodymium hydroxide lossis oxide. Txawm li cas los xij, nws yuav tsum tau muab sau tseg tias qhov reactivity ntawm Praseodymium tsis tshua muaj, yog li cov tshuaj tiv thaiv yuav tsum tau tswj xyuas kom ntseeg tau tias kev ua tiav ntawm cov tshuaj tiv thaiv.
Praseodymium hmoovtuaj yeem cuam tshuam nrog ntau lub ntsiab lus los tsim cov khoom sib txuas. Piv txwv li, Praseodymium tuaj yeem cuam tshuam nrog sulfur los ua Praseodymium sulfide thiab nrog carbon los ua Praseodymium carbide. Tsis tas li ntawd, Praseodymium tuaj yeem cuam tshuam nrog hydrogen, oxygen, nitrogen, thiab lwm yam los tsim cov sib xyaw ua ke.
Praseodymium tuaj yeem hnov mob nrog oxygen ntawm qhov kub thiab txias los tsim qhov tshwm sim combustion thiab tsim cov oxides sib xws. Piv txwv li, thaum Praseodymium yog rhuab nyob rau hauv ib tug nplaim taws, kaj dawb lub teeb yuav tshwm sim, thiab nto ntawm Praseodymium yuav oxidized los tsim oxides. Tsis tas li ntawd, Praseodymium tseem tuaj yeem ua rau cov tshuaj tiv thaiv combustion nyob rau hauv cov xwm txheej ntawm txau oxygen rau nws.
Hauv cov ntsiab lus, Praseodymium yog me ntsis reactive thiab tsim cov tebchaw sib txawv thaum nws reacts nrog huab cua, acids, bases, thiab lwm yam. Lub reactivity ntawm Praseodymium kuj yog tsawg, thiab cov tshuaj tiv thaiv tej yam kev mob yuav tsum tau tswj los xyuas kom meej qhov zoo ntawm cov tshuaj tiv thaiv. Cov khoom siv tshuaj tiv thaiv no muaj qhov tseem ceeb rau kev npaj, kev siv thiab lwm yam kev lag luam ntawm Praseodymium.
Cim npe nrov: praseodymium hmoov cas 7440-10-0, lwm tus neeg, manufacturers, hoobkas, lag luam wholesale, yuav, nqe, tej, kev muag khoom