Niobium Cas 7440-03-1 / Niobium Powder / NB
Dzina lazogulitsa: Niobium
Cas: 7440-03-1
Mf: nb
Mw: 92.91
Einecs: 231-113-5
Malo osungunuka: 2468 ° C (b.)
Malo owiritsa: 4742 ° C (b.)
Kuchulukitsa: 8.57 g / ml pa 25 ° C (yoyatsidwa.)
Kusungirako: -20 ° C
Fomu: waya
Utoto: siliva-imvi
Mphamvu yapadera: 8.57
1. Ndalama: Ndalama, golide ndi siliva ndi ultrafine Nioboline Nanopridr nthawi zina amagwiritsidwa ntchito limodzi ngati chitsulo chamtengo wapatali mu ndalama
2. Izi zitha kugwiritsidwa ntchito injini ya jet, mafuta a mpweya, miyala ya rocket, ma turbocngani ndi kutentha kwa zida zoyaka;
3. Ntchito yachitsulo: Zinthu zosiyanasiyana zokopa zachilengedwe, Niobium Zinyalala ndizothandiza kwambiri, atobium ndizabwino kwambiri atomu a Niobium, titha kukwaniritsa zomwe zikuyenda bwino. Kwenikweni zitsulo zowonjezera 0.001% -0.1% Niobium, ndizokwanira kusintha makina a chitsulo;
1, t / t
2, l / c
3, Visa
4, kirediti kadi
5, Paypal
6, Chitsimikizo cha Allibaba
7, Western Union
8, ndalama
9, pambali, nthawi zina timalandiranso Wembut kapena alipo.
Ikani mu chidebe cholumikizidwa cholimba ndikusunga m'malo ozizira, owuma.
1. Chiwiya: Gwiritsani ntchito zipinda za anirtight zopangidwa ndi zida zomwe zikugwirizana ndi zitsulo zokhala ndi zitsulo, monga galasi kapena pulasitiki wina. Pewani kugwiritsa ntchito zitseko zomwe zingachitike ndi ufa.
2. Zachilengedwe: Sungani chidebe pamalo ozizira komanso owuma kuti mupewe kuyamwa chinyezi, komwe kungayambitse oxidation kapena zochitika zina.
3. Kutentha: Sungani malo osungira pamalo okhazikika komanso kupewa kutentha kwambiri kapena kuzizira.
4. Zizindikiro: Zolemba bwino zomwe zili ndi zomwe zili ndi zomwe zili ndi chitetezo chilichonse.
5. Kusasamala: gwirani ufa wa niobium mosamala ndikugwiritsa ntchito zida zoyenera (PPE) monga magolovesi ndi masks kupewa kupweteka kapena khungu.
6. Pewani kuipitsidwa: onetsetsani kuti malo osungirako ndi oyera komanso opanda nkhawa omwe angaphatikizidwe ndi ufa.
Imakhazikika mu kutentha kwa chipinda mlengalenga, ndikuyamba maxidize ku 200 ° C kuti apange filimu yowala.
Pewani otukwana, alkali, ndi kulowerera. Niobium ili ndi kukana kwamphamvu kwa asidi.
Niobium ufa nthawi zambiri umaganiziridwa kuti umakhala ndi poizoni wochepa ndipo sawaganizira zowopsa kwa anthu omwe ali ndi mavuto wamba. Komabe, monga ufa wacitsulo zambiri, zitha kuyambitsa zoopsa zina ngati njira zoyenera zotetezera sizikutengedwera. Nayi njira zina zopewera:
1. Inhalation: Kupumira kwa ufa wachitsulo chachitsulo kumatha kuyambitsa kupuma kapena mavuto ena am'mapapo. Kutetezedwa koyenera kumalimbikitsidwa mukamagwiritsa ntchito ufa waukulu wa Niobium kapena m'maiko.
2. Kulumikizana ndi khungu: Ngakhale kuti Niobium sikuchititsa kuti khungu lizikhumudwitsa, ndichinthu chabwino kuti musokoneze magolovesi kupewa khungu.
3. Kulowetsa: Kupatsa ufa wazitsulo sizabwino, motero ndikofunikira kukhala ndi zizolowezi zabwino zopewa kuyatsidwa mwangozi.
4. Zotsatira zoyipa: Ngakhale osowa, anthu ena akhoza kukumana ndi zitsulo zina, kuphatikiza Niobium.
Mukamayendetsa Niobium ufa, ndikofunikira kutsatira mosamala mosamala kuti atetezeke ndi kutsatira malamulo. Nayi malingaliro akuluakulu omwe mungaganizire:
1. Macketing: Gwiritsani ntchito zida zoyenera zapaketi zomwe zili zolimba komanso zotsitsa. Mbaliyo iyenera kusindikizidwa ndi kupangidwa ndi zinthu zomwe sizikugwirizana ndi Niobium.
2. Zolemba: Zolemba momveka bwino zomwe zili phukusi, kuphatikiza dzina la mankhwala (niobium ufa) ndi zidziwitso zilizonse zowopsa. Phatikizani Kugwiritsa ntchito malangizo ndi chidziwitso chadzidzidzi.
3. Kutsatirana kwa Repulatory: Chongani ndi kutsatira malamulo am'deralo, mayiko ndi mayiko okhudzana ndi mayendedwe achitsulo. Izi zitha kuphatikizapo zofunikira zina pazowopsa.
4. Malire Olemera: Yang'anirani kuchuluka kwa chidebe kuti muwonetsetse katundu wotetezeka, ndikutsitsa ndi mayendedwe.
5. Pewani kuipitsidwa: onetsetsani kuti Niobium ufa ndi waufa wosaipitsidwa musanatumize. Zipangizo zodetsedwa zimatha kukhala pachiwopsezo choyendera.
6. Kuwongolera kutentha: Ngati ndi kotheka, lingalirani kutentha njira zochepetsera zovuta zilizonse poyendera.
7. Zolemba: Konzekerani zikalata zonse zofunika kutumiza, kuphatikizapo ma sheet a deta ya chitetezo (sds) ndi chilolezo chilichonse chofunikira kapena zolengeza.
8.
