Hafnium Hmoov CASA li 7440-58-6

Cov lus piav qhia luv luv:

Hafnium hmoov yog ib qho nyiaj grey hlau nrog nws yog xim hlau luster. Nws cov tshuaj chemical yog zoo heev rau zirconium, thiab nws muaj zoo circonium, thiab tsis yooj yim corroded los ntawm dav dav acidic thiab alkaline cov kev daws teeb meem; Yooj yim soluble hauv hydrofluoric acid los ua cov fluorinated complexes


Khoom Qhia Qhia

Khoom Ntawv

Kev piav txog

Khoom npe: Hafnium
CAS: 7440-58-6
MF: HF
MW: 178.49
Einecs: 231-166-4
Melting Taw tes: 2227 ° C (Lit.)
BLAIL NTAM: 4602 ° C (Lit.)
Ntom ntom: 13.3 g / cm3 (lit.)
Xim: Nyiaj-Grey
TSHWJ XEEB LUB HLOB: 13.31

Kev qhia tshwj xeeb

Khoom npe Hafnium
Cas 7440-58-6
Kev tshwm sim Nyiaj-grey
MF Hf
Lub thawv 25 kg / hnab

Daim ntawv thov

Hafnium hmoov yog siv nyob rau hauv ntau cov ntawv thov vim nws cov khoom tshwj xeeb. Qee cov ntsiab lus siv suav nrog:

1. Nuclear Daim Ntawv Thov: Hafnium muaj qhov nruab nrab nruab nrab kev ua kom haum hla ntu thiab yog li ntawd siv ua cov tshuaj tua kab rau nuclear reactors. Nws pab tswj hwm cov kev ua haujlwm ntawm cov txheej txheem los ntawm kev nqus cov neeg neutrons ntau.

2. Alloy: Hafnium feem ntau siv nyob rau hauv alloys kom nce lawv lub zog thiab corrosion tsis kam, tshwj xeeb tshaj yog nyob rau hauv cov kev siv kub. Nws yog feem ntau ntxiv rau superalloys siv nyob rau hauv aerospace thiab turbine cav.

3. Electronics: Hafnium oxide (HFO2) yog siv nyob rau hauv cov kev lag luam semiconduct ua kev ua haujlwm siab, pab txhim kho microelectRonic kev ua tau zoo thiab txo qis hluav taws xob.

4. Tshuaj Taus: Hafnium cov tebchaw tuaj yeem siv los ua catalysts rau ntau yam kev tawm tsam, tshwj xeeb hauv kev tsim cov noob polymers thiab lwm yam khoom siv.

5. Kev Tshawb Nrhiav thiab Kev Loj Hlob: Hafnium hmoov kuj tseem siv rau hauv kev tshawb fawb ib puag ncig kev sim cov ntawv thov, suav nrog kev tshawb fawb hauv cov ntaub ntawv tshawb fawb thiab Nanotechnology.

6. Cov txheej txheem: Hafnium tuaj yeem siv tau hauv cov yeeb yaj kiab nyias thiab txheej txheem los txhim kho cov khoom siv, xws li txhim kho kev hnav tsis kam thiab thermal ruaj khov.

Zuag qhia tag nrho, Hafnium hmoov yog muaj nuj nqis rau nws lub siab tau zoo, thiab muaj peev xwm nqus cov neutrons, ua rau nws muaj ntau yam kev siv ntau yam.

Chaw ntim khoom

Muab cia rau hauv lub tsev rau khoom txias thiab muaj cua sov. Txav deb ntawm cov chaw hluav taws thiab kub. Nws yuav tsum tau muab cais cais los ntawm oxidants, acids, halogens, thiab lwm yam, thiab zam kev sib xyaw. Txais yuav cov khoom tawg-pov thawj teeb pom kev zoo thiab cov chaw tua hluav taws xob. Txwv tsis pub siv cov cuab yeej siv cov khoom siv thiab cov cuab yeej uas muaj feem ntau rau cov khoom siv hluav taws xob. Cov chaw cia khoom yuav tsum tau nruab nrog cov ntaub ntawv tsim nyog los muaj cov khoom siv xas.

Puas yog hafnium txaus ntshai?

Hafnium nws tus kheej tsis tau cais los ua cov tshuaj tsim kev puas tsuaj xws li lwm yam me me, tab sis tseem muaj qhov tseem ceeb rau kev ceeb toom txog nws qhov kev nyab xeeb:

1. Toxicity: Hafnium yog feem ntau suav hais tias muaj tsawg toxicity. Txawm li cas los xij, kis rau Hafnium hmoov (tshwj xeeb tshaj yog nyob rau hauv daim ntawv zoo) yuav ua rau muaj kev phom sij rau kev noj qab haus huv, tshwj xeeb yog nqus tau.

2. Inhalation kev pheej hmoo: nqus tau cov plua plav Hafnium Hafnium Hafnium Hafnium yuav ua rau muaj pa ua pa. Kev paub txog kev ncua ntev lossis qib siab yuav ua rau muaj kev noj qab haus huv ntau.

3. Cov tawv nqaij thiab qhov muag pom: Hafnium plua plav tuaj yeem ua rau nws khaus yog tias nws los ntawm kev sib cuag nrog daim tawv nqaij lossis qhov muag. Cov khoom tiv thaiv yuav tsum siv los txo qhov kev pheej hmoo no.

4. Hmoov av tawg cov phom sij: zoo li muaj ntau cov hmoov hlau, Hafnium ua rau muaj kev pheej hmoo ntawm cov plua plav tawg yog tias nws yuav ua pa thiab muaj peev xwm ncav cuag ib qib. Cov hau kev tsim nyog thiab khaws cov hau kev yog qhov tseem ceeb los txo qhov kev pheej hmoo no.

5.

 

Kev Ntsuas Thaum Muaj Xwm Ceev

Daim tawv nqaij sib cuag: yaug nrog dej ntws.
Qhov muag sib cuag: yaug nrog dej ntws.
Inhalation: tshem tawm ntawm qhov chaw.
Kev noj haus: Cov neeg noj khoom haus kom tsis txhob haus dej haus yuav tsum haus dej ntau, ua ntuav, thiab nrhiav kev kho mob.

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