Cov khoom
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Hafnium Tetrachloride
Hafnium Tetrachloride (HfCl₄)yog ib qho tshuaj inorganic uas muaj nqis siab uas siv dav ua tus precursor hauv kev tsim cov khoom siv ceramics kub siab, cov ntaub ntawv phosphor rau cov teeb pom kev zoo (LEDs), thiab cov catalysts heterogeneous. Qhov tseem ceeb, nws qhia txog Lewis acidity zoo heev, ua rau nws muaj txiaj ntsig zoo hauv olefin polymerization thiab ntau yam kev hloov pauv organic. Tsav los ntawm kev nthuav dav ntawm cov ntawv thov hauv kev tsim khoom semiconductor, aerospace engineering, thiab cov khoom siv hluav taws xob tiam tom ntej, kev thov thoob ntiaj teb rau HfCl₄ tau qhia txog kev loj hlob tas mus li. Txawm li cas los xij, nws cov khoom lag luam hauv kev lag luam tseem xav tau kev siv tshuab - xav tau kev tswj hwm cov txheej txheem nruj, cov khoom noj khoom haus ultra-high-purity, thiab ua raws li cov cai ib puag ncig, kev noj qab haus huv, thiab kev nyab xeeb (EHS). Muab nws lub luag haujlwm tseem ceeb hauv kev ua kom cov ntaub ntawv ua haujlwm siab thiab cov catalysts tshwj xeeb, HfCl₄ tau lees paub ntau ntxiv tias yog cov khoom siv raw rau kev tshawb fawb txog cov ntaub ntawv siab heev thiab kev tsim tshuaj zoo.
Hafnium, 72Hf Qhov tsos Xim av hlau Tus lej atomic (Z) 72 Theem ntawm STP Khoom khov kho Qhov kub yaj 2506 K (2233 ℃, 4051 ℉) Kub taw tes 4876 K (4603 ℃, 8317 ℃) Qhov Ceev (ntawm 20 ℃) 13.281 g/cm33 Thaum kua (ntawm mp) 12 g/cm23 Kub ntawm kev sib xyaw 27.2 kJ/mol Kub ntawm kev ua pa 648 kJ/mol Lub peev xwm cua sov Molar 25.73 J/(mol·K) Lub peev xwm cua sov tshwj xeeb 144.154 J/(kg·K) Tus Txheej Txheem Lag Luam ntawm 5N Purity Qib Hafnium Tetrachloride
Lub Cim Li 7 (ppb) Ua 9 (ppb) Na 23 (ppb) Mg 24 (ppb) Al 27 (ppb) K 39 (ppb) Ca 40 (ppb) V 51 (ppb) Cr 52 (ppb) Mn 55 (ppb) Fe 56 (ppb) Co 59 (ppb) Ni 60 (ppb) Cu 63 (ppb) Zn 66 (ppb) Ga 69 (ppb) Ge 74 (ppb) Sr 87 (ppb) UMHT5N 0.371 2.056 17.575 6.786 87.888 31.963 66.976 0.000 74.184 34.945 1413.776 21.639 216.953 2.194 20.241 12.567 8.769 3846.227 Zr 90 (ppb) Nb 93 (ppb) Mo98 (ppb) Pd106 (ppb) Ag 107 (ppb) Raws li 108 (ppb) Cd 111 (ppb) Hauv 115 (ppb) Sn 118 (ppb) Sb 121 (ppb) Ti131 (ppb) Ba 138 (ppb) W 184 (ppb) Au -2197 (ppb) Hg 202 (ppb) Tl 205 (ppb) Pb 208 (ppb) Bi 209 (ppb) 41997.655 8.489 181.362 270.662 40.536 49.165 5.442 0.127 26.237 1.959 72.198 0.776 121.391 1707.062 68.734 0.926 14.582 36.176 Lus Cim: Cov kev ntsuas saum toj no tau raug ntes los ntawm ICP-MS.
Hafnium tetrachloride (HfCl₄) yog ib yam khoom tsis muaj xim, crystalline khov kho nrog lub molecular hnyav ntawm 320.30 g / mol thiab CAS Registry Number 13499-05-3. Nws yaj ntawm 320 ° C thiab dhau los ua sublimation ntawm kwv yees li 317 ° C nyob rau hauv ambient siab. Cov tshuaj no yog hygroscopic heev thiab reacts exothermically thiab vigorously nrog dej noo, yuav tsum tau khaws cia nyob rau hauv anhydrous, inert atmospheric mob (piv txwv li, argon lossis nitrogen) nyob rau hauv tkaus kaw. Vim nws muaj zog corrosivity, kev sib cuag ncaj qha nrog daim tawv nqaij lossis qhov muag yuav ua rau muaj kev kub hnyiab tshuaj lom neeg. Raws li Chav Kawm 8 corrosive tshuaj txaus ntshai (UN2509), kev tuav yuav tsum tau cov khoom siv tiv thaiv tus kheej (PPE), suav nrog cov hnab looj tes tiv thaiv tshuaj lom neeg, tsom iav, thiab kev tiv thaiv kev ua pa qhov twg muaj hmoov av tsim tau.
Hafnium Tetrachloride siv rau dab tsi?
Hafnium tetrachloride (HfCl₄)yog ib qho tshuaj inorganic uas muaj ntau yam, vim nws cov khoom siv tshuaj lom neeg tshwj xeeb, pom cov ntawv thov dav hauv ntau qhov chaw siv high-tech:
- Cov Khoom Siv Semiconductors thiab Cov Khoom Siv Hluav Taws Xob: Nws ua haujlwm ua tus thawj coj tseem ceeb rau kev npaj cov khoom siv high-dielectric-constant (xws li hafnium dioxide), siv rau hauv cov txheej txheem transistor gate insulating los txhim kho kev ua haujlwm ntawm cov chip. Nws kuj tseem siv dav hauv cov txheej txheem chemical vapor deposition (CVD) los tso cov hlau hafnium lossis hafnium compound thin films, siv rau hauv cov transistors ua haujlwm siab, cov khoom siv nco, thiab lwm yam.
- Cov Khoom Uas Ua Los Ntawm Av nplaum Kub Heev Thiab Dav Hlau: Siv rau hauv kev tsim cov khoom siv av nplaum kub heev, uas ua rau pom kev tiv taus kub heev, tiv taus hnav, thiab tiv taus xeb. Cov khoom ua los ntawm av nplaum no haum rau cov chaw ib puag ncig hnyav xws li cov cav dav hlau kub thiab cov foob pob hluav taws. Tsis tas li ntawd, nws tuaj yeem siv rau hauv cov khoom ntim LED muaj zog heev los txhim kho cov khoom siv cua sov thiab lub neej ntev.
- Catalysis thiab Organic Synthesis: Ua ib qho Lewis acid catalyst zoo, nws txhawb nqa cov tshuaj tiv thaiv xws li olefin polymerization (piv txwv li, ua ib qho precursor rau Ziegler-Natta catalysts), esterification ntawm cawv thiab acids, acylation, thiab 1,3-dipolar cycloadditions, txhim kho cov nqi tshuaj tiv thaiv thiab kev xaiv. Nws kuj tseem siv rau hauv kev tsim cov tshuaj zoo ntawm cov tshuaj tsw qab thiab tshuaj.
- Kev Lag Luam Nuclear: Siv nws txoj kev ruaj khov thermal thiab tshuaj lom neeg zoo, nws siv rau hauv cov tshuab cua txias nuclear reactor thiab ua cov ntaub ntawv txheej rau cov roj nuclear, txhim kho kev tiv thaiv corrosion thiab thermal stability.
- Kev Lag Luam Zog: Siv ua cov khoom siv raw rau kev tsim cov khoom siv electrolyte khov xws li lithium hafnium phosphate rau kev tsim cov roj teeb lithium uas muaj kev coj ua hluav taws xob siab. Nws kuj tseem ua haujlwm ua ntej rau cov khoom siv cathode muaj peev xwm siab hauv cov roj teeb lithium thiab sodium-ion.
- Kev Sib Cais Zirconium-Hafnium: Siv qhov sib txawv ntawm kev hloov pauv ntawm zirconium tetrachloride thiab hafnium tetrachloride, lawv tuaj yeem sib cais tau zoo los ntawm kev siv fractional distillation lossis gas chromatography. Qhov no yog ib txoj hauv kev tseem ceeb hauv kev lag luam rau kev tau txais hafnium ntshiab.
Hauv kev xaus, hafnium tetrachloride ua lub luag haujlwm tseem ceeb hauv semiconductors, cov ntaub ntawv siab heev, catalysis, nuclear zog, thiab cov khoom siv hluav taws xob tshiab, tsim nws tus kheej ua cov khoom siv raw hauv cov lag luam niaj hnub high-tech.
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Cov hmoov Vanadium (V) oxide (Vanadia) (V2O5) uas muaj purity siab tshaj plaws Min.98% 99% 99.5%
Vanadium Pentoxidezoo li hmoov crystalline daj mus rau liab. Yaj me ntsis hauv dej thiab ntom dua dej. Kev sib cuag yuav ua rau khaus tawv nqaij, qhov muag, thiab cov ntaub so ntswg. Tej zaum yuav lom los ntawm kev noj, kev ua pa thiab kev nqus ntawm daim tawv nqaij.
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Hmoov Boron
Boron, ib yam tshuaj lom neeg uas muaj lub cim B thiab tus lej atomic 5, yog ib yam hmoov dub/xim av tawv thiab tsis muaj zog. Nws muaj zog heev thiab yaj tau hauv cov kua qaub nitric thiab sulfuric uas muaj concentrated tab sis tsis yaj tau hauv dej, cawv thiab ether. Nws muaj peev xwm nqus tau neutro siab.
UrbanMines tshwj xeeb hauv kev tsim cov hmoov Boron uas muaj qhov huv siab nrog qhov me me tshaj plaws. Peb cov hmoov hmoov txheem feem ntau yog li ntawm - 300 mesh, 1 microns thiab 50 ~ 80 nm. Peb kuj tseem tuaj yeem muab ntau yam khoom siv hauv nanoscale. Lwm cov duab muaj los ntawm kev thov. -
AR/CP qib Bismuth(III) nitrate Bi(NO3)3·5H20 kev ntsuam xyuas 99%
Bismuth (III) Nitrateyog ib qho ntsev uas muaj bismuth nyob rau hauv nws lub xeev oxidation cationic +3 thiab nitrate anions, uas feem ntau yog cov khoom khov kho yog pentahydrate. Nws yog siv rau hauv kev tsim cov lwm cov bismuth compounds.
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![[Daim Ntawv Luam] Bismuth (III) oxide (Bi2O3) hmoov 99.999% cov hlau tsis muaj kab](https://cdnus.globalso.com/um-material/bd2b81b5d7757f3b8c4d6052d1ef74a3_small.jpg)
[Daim Ntawv Luam] Bismuth (III) oxide (Bi2O3) hmoov 99.999% cov hlau tsis muaj kab
Bismuth Trioxide(Bi2O3) yog cov oxide lag luam ntawm bismuth. Ua ib qho ua ntej rau kev npaj lwm cov tshuaj ntawm bismuth,bismuth trioxidemuaj kev siv tshwj xeeb hauv cov iav kho qhov muag, ntawv nplaim taws, thiab, nce ntxiv, hauv cov qauv glaze qhov twg nws hloov cov hlau lead oxides.
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Kev ntsuas siab purity Indium hlau ingot Min.99.9999%
Indiumyog ib hom hlau mos mos uas ci ntsa iab thiab nyiaj thiab feem ntau pom muaj nyob rau hauv kev lag luam tsheb, hluav taws xob, thiab aerospace. Kuvngotyog daim ntawv yooj yim tshaj plaws ntawmindium.Ntawm UrbanMines no, muaj ntau qhov loj me los ntawm cov hlau me me uas hnyav tsuas yog grams xwb, mus rau cov hlau loj uas hnyav ntau kilograms.
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Cobalt hmoov muaj nyob rau hauv ntau yam ntawm cov khoom me me 0.3 ~ 2.5μm
UrbanMines tshwj xeeb hauv kev tsim cov khoom muaj purity siabHmoov Cobaltnrog rau qhov me tshaj plaws ntawm cov noob nruab nrab, uas muaj txiaj ntsig zoo rau txhua daim ntawv thov uas xav tau thaj chaw siab xws li kev kho dej thiab hauv cov roj cell thiab cov ntawv thov hnub ci. Peb cov hmoov hmoov txheem qhov loj me nruab nrab hauv qhov ntau ntawm ≤2.5μm, thiab ≤0.5μm.
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Bismuth Ingot Chunk 99.998% ntshiab siab purity
Bismuth yog ib hom hlau xim nyiaj-liab, uas feem ntau pom muaj nyob rau hauv kev lag luam kho mob, kev kho kom zoo nkauj, thiab kev tiv thaiv. UrbanMines siv tag nrho cov txiaj ntsig ntawm High Purity (dhau 4N) Bismuth Metal Ingot lub tswv yim.
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Lithium Bromide (LiBr)
Lithium Bromide (LiBr), ib qho tshuaj hygroscopic uas muaj lithium thiab bromine, yog siv dav hauv kev lag luam thiab tshuaj lom neeg vim nws cov khoom tshwj xeeb physicochemical. Nws yog synthesized los ntawm kev tshuaj xws li kho lithium carbonate nrog hydrobromic acid lossis reacting lithium hydroxide nrog bromine, yielding crystalline hydrates sib txawv ntawm lwm alkali hlau bromides.
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Trimethylaluminum (TMAI)
Trimethylaluminum (TMAI) yog ib qho khoom siv tseem ceeb rau kev tsim cov hlau-organic lwm yam siv rau hauv cov txheej txheem atomic layer deposition (ALD) thiab chemical vapor deposition (CVD).
Trimethylaluminum yog ib qho ntawm cov khoom sib xyaw ua ke yooj yim tshaj plaws. Txawm hais tias nws lub npe qhia txog cov qauv monomeric, nws muaj cov mis Al2 (CH3) 6 (luv ua Al2Me6 lossis TMAI), uas muaj nyob ua dimer. Cov kua tsis muaj xim no yog pyrophoric thiab ua lub luag haujlwm tseem ceeb hauv kev lag luam, muaj feem cuam tshuam nrog triethylaluminum.
UrbanMines yog ib lub tuam txhab ua khoom siv Trimethylaluminum (TMAI) loj tshaj plaws hauv Suav teb. Peb siv peb cov txheej txheem tsim khoom siab heev, thiab peb muab TMAI nrog ntau qib kev huv, tsim tshwj xeeb rau kev siv hauv kev lag luam semiconductor, lub hnub ci hlwb, thiab LED.
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Tellurium Micron / Nano Hmoov Purity 99.95% Loj 325 mesh
Tellurium yog ib qho khoom siv nyiaj-grey, qhov twg ntawm cov hlau thiab cov hlau tsis yog hlau. Tellurium Hmoov yog ib qho khoom siv tsis yog hlau uas tau rov qab los ua cov khoom seem ntawm kev ua kom tooj liab electrolytic. Nws yog ib qho hmoov grey zoo ua los ntawm antimony ingot los ntawm kev sib tsoo pob nqus tsev.
Tellurium, nrog tus lej atomic 52, raug hlawv hauv huab cua nrog nplaim xiav los tsim tellurium dioxide, uas tuaj yeem ua rau halogen, tab sis tsis yog nrog sulfur lossis selenium. Tellurium yaj tau hauv sulfuric acid, nitric acid, potassium hydroxide kua. Tellurium rau kev hloov pauv cua sov yooj yim thiab kev coj hluav taws xob. Tellurium muaj cov hlau muaj zog tshaj plaws ntawm txhua tus khub uas tsis yog hlau.
UrbanMines tsim cov tellurium ntshiab nrog qhov huv ntawm 99.9% txog 99.999%, uas kuj tseem tuaj yeem ua rau cov tellurium thaiv tsis sib xws nrog cov ntsiab lus ruaj khov thiab zoo txhim khu kev qha. Cov khoom tellurium ntawm tellurium suav nrog tellurium ingots, tellurium blocks, tellurium particles, tellurium hmoov thiab tellurium dioxide, qhov huv ntawm 99.9% txog 99.9999%, thiab kuj tuaj yeem hloov kho kom huv thiab qhov loj me raws li cov neeg siv khoom xav tau.
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Antimony Hlau Ingot (Sb Ingot) 99.9% Yam Tsawg Kawg Nkaus Pure
Antimonyyog ib qho hlau brittle xiav-dawb, uas muaj cov thermal thiab electrical conductivity tsawg.Cov khoom siv antimonymuaj kev tiv thaiv corrosion thiab oxidation siab thiab zoo tagnrho rau kev ua ntau yam txheej txheem tshuaj lom neeg.