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202991

Sigma-Aldrich

硝酸铈(III) 六水合物

99.999% trace metals basis

同義詞:

硝酸亚铈, 硝酸亚铈 六水合物, 硝酸铈盐

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About This Item

線性公式:
Ce(NO3)3 · 6H2O
CAS號碼:
分子量::
434.22
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.23

化驗

99.999% trace metals basis

形狀

crystals and lumps

反應適用性

reagent type: catalyst
core: cerium

雜質

≤15.0 ppm Trace Metal Analysis

SMILES 字串

[Ce+3].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[H]O[H].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O

InChI

1S/Ce.3NO3.6H2O/c;3*2-1(3)4;;;;;;/h;;;;6*1H2/q+3;3*-1;;;;;;

InChI 密鑰

QQZMWMKOWKGPQY-UHFFFAOYSA-N

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一般說明

硝酸铈(III)六水合物是材料科学中广泛使用的铈来源。它是一种白色到黄色的结晶盐,具有吸湿性和空气敏感性。它在水、酒精和丙酮中高度可溶,尽管溶液可能看起来有点浑浊。与许多三价金属硝酸盐一样,六水合硝酸铈(III)在低温(57 °C)下熔化,并在低温下热分解,从 190°C 开始,在 280 °C 迅速分解,在 390-400°C 完全分解为氧化铈。

應用

硝酸铈(III)六水合物被广泛用作铈的来源,特别是在合成微米或纳米结构的二氧化铈(氧化铈)中。六水硝酸铈(III)溶解度高,分解温度低,是水热反应、溶胶-凝胶处理、共沉淀和煅烧反应的理想试剂。我们的硝酸铈(III)六水合物 99.999% 专为需要高纯度铈和其他微量金属和稀土金属低污染物的应用而设计。例如,高纯度硝酸铈适用于使用六水合硝酸铈掺杂催化剂的研究,例如,最近使用掺铈层状双氢氧化物促进水分解的努力 。它也适用于使用六水合硝酸铈(III)为单原子催化剂构建二氧化铈载体的研究,例如用于乙炔氢化的掺镍二氧化铈和用于一氧化碳氧化的掺铂二氧化锆。我们的高纯度硝酸铈(III)六水合物也用于固态合成铈掺杂的磷光体,如 Ca2YHf2Al3O12 ,其中从 Ce3+ 到其他稀土离子的能量转移对激发的效率和广度起着重要作用。

象形圖

CorrosionEnvironment

訊號詞

Danger

危險聲明

危險分類

Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1

儲存類別代碼

5.1B - Oxidizing hazardous materials

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges


分析證明 (COA)

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John Jones et al.
Science (New York, N.Y.), 353(6295), 150-154 (2016-07-09)
Catalysts based on single atoms of scarce precious metals can lead to more efficient use through enhanced reactivity and selectivity. However, single atoms on catalyst supports can be mobile and aggregate into nanoparticles when heated at elevated temperatures. High temperatures
Huajie Xu et al.
ACS applied materials & interfaces, 10(7), 6336-6345 (2018-02-01)
Developing convenient doping to build highly active oxygen evolution reaction (OER) electrocatalysts is a practical process for solving the energy crisis. Herein, a facile and low-cost in situ self-assembly strategy for preparing a Ce-doped NiFe-LDH nanosheets/nanocarbon (denoted as NiFeCe-LDH/CNT, LDH
Eleonora Venezia et al.
Nanomaterials (Basel, Switzerland), 9(4) (2019-04-27)
An important segment of the future renewable energy economy is the implementation of novel energy generation systems. Such electrochemical systems are solid oxide fuel cells, which have the advantage of direct conversion of the chemical energy stored in the fuel
Pratik P Dholabhai et al.
Physical chemistry chemical physics : PCCP, 17(23), 15375-15385 (2015-05-23)
Grain boundaries (GBs) dictate vital properties of nanocrystalline doped ceria. Thus, to understand and predict its properties, knowledge of the interaction between dopant-defect complexes and GBs is crucial. Here, we report atomistic simulations, corroborated with first principles calculations, elucidating the
Martha Cobo et al.
Journal of environmental management, 158, 1-10 (2015-05-02)
The catalytic hydrodechlorination (HDC) of high concentrations of trichloroethylene (TCE) (4.9 mol%, 11.6 vol%) was studied over 1%Pd, 1%Rh and 0.5%Pd-0.5%Rh catalysts supported on CeO2 under conditions of room temperature and pressure. For this, a one-phase system of NaOH/2-propanol/methanol/water was designed

文章

The rare earth elements impact nearly everyone in the world. All of the people living in advanced technological countries and almost all those living in third world countries utilize the rare earths in their everyday living—the car that one drives (gasoline is refined from oil using rare earth catalysts and catalytic converters reduce the polluting emissions from the automotive exhaust), watching the news on TV (the red and green colors in TV screens), the telephones and computers we use to communicate (the permanent magnets in speakers and disc drives), just to name a few examples.

我們的科學家團隊在所有研究領域都有豐富的經驗,包括生命科學、材料科學、化學合成、色譜、分析等.

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