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Sigma-Aldrich

Germanium

powder, −100 mesh, ≥99.999% trace metals basis

Synonym(s):

Elemental germanium

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About This Item

Empirical Formula (Hill Notation):
Ge
CAS Number:
7440-56-4
Molecular Weight:
72.64
EC Number:
231-164-3
MDL number:
MFCD00085310
UNSPSC Code:
12141716
PubChem Substance ID:
24859656
NACRES:
NA.23

Assay

≥99.999% trace metals basis

form

powder

resistivity

53 Ω-cm, 20°C

particle size

−100 mesh

bp

2830 °C (lit.)

mp

937 °C (lit.)

density

5.35 g/mL at 25 °C (lit.)

SMILES string

[Ge]

InChI

1S/Ge

InChI key

GNPVGFCGXDBREM-UHFFFAOYSA-N

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Application

The product can serve as one of the precursors for the formation of highly porous ZrO2:Tb3+ nanophosphor with excellent tunable photoluminescence and photocatalytic activities.

Signal Word

Danger

Hazard Statements

H228,H361,H373,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 2 - Flam. Sol. 1 - Repr. 2 - STOT RE 2 Oral

Target Organs

Kidney

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Thermoluminescence glow curve for UV induced ZrO2:Ti phosphor with variable concentration of dopant and various heating rate
Tiwari N, et al.
Journal of Radiation Research and Applied Sciences, 7(4), 542-549 (2014)
Phase transformation of ZrO 2: Tb 3+ nanophosphor: Color tunable photoluminescence and photocatalytic activities.
Vidya YS, et al.
J. Alloy Compounds, 622, 86-96 (2015)
Jonas Schartner et al.
Journal of the American Chemical Society, 135(10), 4079-4087 (2013-02-19)
Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy allows a detailed analysis of surface attached molecules, including their secondary structure, orientation, and interaction with small molecules in the case of proteins. Here, we present a universal immobilization technique on germanium
Minxian Wu et al.
Physical chemistry chemical physics : PCCP, 15(14), 4955-4964 (2013-02-27)
The electrodeposition of germanium from the ionic liquid 1-butyl-1-methylpyrrolidinium dicyanamide ([BMP][DCA]) and a mixture of [BMP][DCA] and 1-butyl-1-methylpyrrolidinium chloride ([BMP]Cl) was studied using cyclic voltammetry and using an electrochemical quartz crystal microbalance (EQCM). [GeCl4(BuIm)2] (BuIm = N-butylimidazole) was used as
Maurizio Mattesini et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 25(3), 035601-035601 (2012-12-12)
The magnetic properties, electronic band structure and Fermi surfaces of the hexagonal Cr(2)GeC system have been studied by means of both generalized gradient approximation (GGA) and the +U corrected method (GGA + U). The effective U value has been computed within the
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