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Merck
모든 사진(1)

주요 문서

266809

Sigma-Aldrich

Hafnium

turnings, crystal bar, 99.7% trace metals basis

동의어(들):

Celtium, Hafnium element

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About This Item

실험식(Hill 표기법):
Hf
CAS Number:
Molecular Weight:
178.49
MDL number:
UNSPSC 코드:
12141718
PubChem Substance ID:
NACRES:
NA.23

Quality Level

분석

99.7% trace metals basis

양식

turnings, crystal bar

저항도

29.6 μΩ-cm, 0°C

bp

4602 °C (lit.)

mp

2227 °C (lit.)

density

13.3 g/cm3 (lit.)

SMILES string

[Hf]

InChI

1S/Hf

InChI key

VBJZVLUMGGDVMO-UHFFFAOYSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

개인 보호 장비

Eyeshields, Gloves, type N95 (US)


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문서 라이브러리 방문

Gerald Lucovsky et al.
Journal of nanoscience and nanotechnology, 12(6), 4811-4819 (2012-08-22)
Performance and reliability in semiconductor devices are limited by electronically active defects, primarily O-atom and N-atom vacancies. Synchrotron X-ray spectroscopy results, interpreted in the context of two-electron multiplet theories, have been used to analyze conduction band edge, and O-vacancy defect
Xuelu Ma et al.
Physical chemistry chemical physics : PCCP, 15(3), 901-910 (2012-12-04)
In this paper, the reaction mechanisms of CO assisted N(2) cleavage and functionalization activated by a dinuclear hafnium complex are studied using a density function theory (DFT) method. Several key intermediates (Ia, Ib, Ic and Id) with axial/equatorial N=C=O coordination
John J Curley et al.
Dalton transactions (Cambridge, England : 2003), 41(1), 192-200 (2011-10-25)
Treatment of Cp*Ir N(t)Bu (1) with the appropriate metallocene equivalent is an effective route for the preparation of the heterobimetallic complexes Cp*Ir(μ-N(t)Bu)MCp(2) (2-M, M = Ti, Zr, Hf). The electronic structures of the isostructural series of compounds, 2-M, are described
Tingting Zhao et al.
Journal of the mechanical behavior of biomedical materials, 13, 174-184 (2012-08-21)
NiTi shape memory alloy was modified by Hf ion implantation to improve its wear resistance and surface integrity against deformation. The Auger electron spectroscopy and x-ray photoelectron spectroscopy results indicated that the oxide thickness of NiTi alloy was increased by
Nicholas M Fahrenkopf et al.
ACS applied materials & interfaces, 4(10), 5360-5368 (2012-09-06)
Immobilization of biomolecular probes to the sensing substrate is a critical step for biosensor fabrication. In this work we investigated the phosphate-dependent, oriented immobilization of DNA to hafnium dioxide surfaces for biosensing applications. Phosphate-dependent immobilization was confirmed on a wide

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