Kev taw qhia luv luv
Khoom npe: Scandium
Formula: Sc
CAS Nr .: 7440-20-2
Molecular Luj: 44.96
Qhov ceev: 2.99 g / cm3
Melting point: 1540 ° C
Puab: 10 x 10 x 10 mm cube
Khoom siv: | Scandium |
Purity: | 99.9% |
Atomic naj npawb: | 21 |
Qhov ntom | 3.0 g.cm-3 ntawm 20 ° C |
Melting point | 1541 ° C |
Bolling point | 2836°C kub |
Dimension | 1 nti, 10mm, 25.4mm, 50mm, los yog Customized |
Daim ntawv thov | Khoom plig, science, exhibitions, sau, kho kom zoo nkauj, kev kawm, kev tshawb fawb |
Scandium yog ib qho mos, silvery hloov pauv uas tshwm sim hauv cov zaub mov tsis tshua muaj los ntawm Scandinavia. Nws txhim kho me ntsis yellowish los yog pinkish cam khwb cia thaum raug huab cua. Scandium tarnished nyob rau hauv cov huab cua thiab hlawv yooj yim, thaum nws tau ignited. Nws reacts nrog dej los tsim cov roj hydrogen thiab yuav yaj hauv ntau cov kua qaub. Ntshiab scandium yog tsim los ntawm cua sov scandium fluoride (ScF3) nrog calcium hlau.
Peb yog cov chaw tsim khoom, peb lub Hoobkas nyob hauv Shandong, tab sis peb kuj tuaj yeem muab kev pabcuam nres ib qho rau koj!
T / T (tex hloov pauv), Western Union, MoneyGram, BTC (bitcoin), thiab lwm yam.
≤25kg: hauv peb hnub ua haujlwm tom qab tau txais cov nyiaj them poob haujlwm. 25kg: ib as
Muaj, peb tuaj yeem muab cov qauv dawb me me rau kev soj ntsuam zoo!
1kg ib lub hnab fpr kuaj, 25kg lossis 50kg ib nruas, lossis raws li koj xav tau.
Khaws lub thawv kaw kom nruj rau hauv qhov chaw qhuav, txias thiab zoo-ventilated.