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Merck

208515

Sigma-Aldrich

氧化铌(V)

−325 mesh, 99.9% trace metals basis

别名:

五氧化二铌

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About This Item

经验公式(希尔记法):
Nb2O5
CAS号:
分子量:
265.81
EC號碼:
MDL號碼:
分類程式碼代碼:
12352303
PubChem物質ID:
NACRES:
NA.23

化驗

99.9% trace metals basis

形狀

powder

粒徑

−325 mesh

密度

4.47 g/mL at 25 °C (lit.)

SMILES 字串

O=[Nb](=O)O[Nb](=O)=O

InChI

1S/2Nb.5O

InChI 密鑰

ZKATWMILCYLAPD-UHFFFAOYSA-N

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一般說明

氧化铌(V),也称五氧化铌,是一种白色结晶粉末。它是一种熔点超过2500 °C的难熔金属氧化物,对氧和水有高化学稳定性。氧化铌(V)主要作为生产铌和铌合金的原料,作为化学反应的催化剂,也可作为高温度应用中的难熔材料。它也可用作电容器中的介电材料以及陶瓷和玻璃中的颜料。

應用

在一个不寻常的阳离子缺乏钙钛矿的固态形成中应用,Ba7Nb4MoO20
在高级燃料电池中使用氧化铌(V) 替代金属锂电极已得到令人满意的效果。

特點和優勢

用于非常规阳离子缺陷型钙钛矿 Ba7Nb4MoO20 的固态形成。

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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其他客户在看

Garcia-Gonzalez, E. et al.
Chemistry of Materials, 11, 433-433 (1999)
Robert L Karlinsey et al.
Biomedical materials (Bristol, England), 1(1), 16-23 (2008-05-07)
Crystalline, self-assembled niobium oxide microstructures formed in situ via potentiostatic anodization of niobium foil in an HF(aq) electrolyte solution are proposed as exceptional nucleators of Ca-P minerals, including hydroxyapatite. This material was tested for bioactivity through immersion in simulated and
Fabrication and characterization of MIM diodes based on Nb/Nb2O5 via a rapid screening technique.
Prakash Periasamy et al.
Advanced materials (Deerfield Beach, Fla.), 23(27), 3080-3085 (2011-05-25)
Matthew D Pickett et al.
Nanotechnology, 23(21), 215202-215202 (2012-05-04)
We built and measured the dynamical current versus time behavior of nanoscale niobium oxide crosspoint devices which exhibited threshold switching (current-controlled negative differential resistance). The switching speeds of 110 × 110 nm(2) devices were found to be Δt(ON) = 700
Robert L Karlinsey et al.
Bioinspiration & biomimetics, 1(1), 12-19 (2007-08-03)
The formation aspects of a polycrystalline self-assembled bioceramic leading to the nucleation of hard-tissue mineral from a supersaturated solution are discussed. Scanning electron imaging and surface-sensitive interrogations of the nucleated mineral indicated the presence of an intermediate amorphous layer encompassing

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