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重要文件

261203

Sigma-Aldrich

−40 mesh, 99% trace rare earth metals basis

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About This Item

經驗公式(希爾表示法):
Sm
CAS號碼:
分子量::
150.36
EC號碼:
MDL號碼:
分類程式碼代碼:
12161600
PubChem物質ID:
NACRES:
NA.23

化驗

99% trace rare earth metals basis

形狀

(powder or filings)

反應適用性

reagent type: catalyst
core: samarium

電阻係數

91.4 μΩ-cm, 0°C

粒徑

−40 mesh

bp

1794 °C (lit.)

mp

1074 °C (lit.)

密度

7.47 g/mL at 25 °C (lit.)

SMILES 字串

[Sm]

InChI

1S/Sm

InChI 密鑰

KZUNJOHGWZRPMI-UHFFFAOYSA-N

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應用

通过联合使用氯化钐和氯化钛(IV) 还原芳基磺酰氯和芳基亚磺酸盐,制备二芳基二硫化物。

象形圖

Flame

訊號詞

Warning

危險聲明

危險分類

Flam. Sol. 2 - Water-react 3

儲存類別代碼

4.3 - Hazardous materials which set free flammable gases upon contact with water

水污染物質分類(WGK)

WGK 3

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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分析證明 (COA)

Lot/Batch Number

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We report resistivity, magnetization and (19)F NMR results in a polycrystalline sample of SmFeAsO(0.86)F(0.14). The resistivity and magnetization data show a sharp drop at 48 K indicating a superconducting transition. The nuclear spin-lattice rate (1/T(1)) and spin-spin relaxation rate (1/T(2))
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Sm@C(2v)(3)-C(80) has been separated from the carbon soot produced by electrical arc vaporization of graphite rods doped with Sm(2)O(3) and purified. Its structure has been determined by single crystal X-ray diffraction using cocrystals obtained from either Ni(II)(octaethylporphyrin) (Ni(II)(OEP)) to form
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We demonstrate an all-fiber passively Q-switched Yb-doped laser using a piece of Sm-doped fiber as a saturable absorber. The laser was pumped by two 25W, 975 nm fiber coupled diodes and Q-switching was initiated when the ASE generated in the
T Sasikala et al.
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Glasses with chemical composition of (62-x) TeO(2)+25 ZnO+8 K(2)O+5 CaO+x Sm(2)O(3) (TZKCSmx; x=0.1, 0.5, 1.0, 1.5 mol%) were prepared by melt quenching technique. The absorption spectrum was recorded in the UV-visible and NIR regions. The oscillator strengths of absorption bands

文章

The unique properties of the rare-earth elements and their alloys have brought them from relative obscurity to high profile use in common hightech applications.

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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