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Merck

203068

Sigma-Aldrich

Chromium(III) oxide

powder, 99.9% trace metals basis

Sinónimos:

Chromia

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About This Item

Fórmula empírica (notación de Hill):
Cr2O3
Número de CAS:
Peso molecular:
151.99
Número CE:
Número MDL:
Código UNSPSC:
12352303
ID de la sustancia en PubChem:
NACRES:
NA.55
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grado

for analytical purposes

Ensayo

99.9% trace metals basis

Formulario

powder

cadena SMILES

O=[Cr]O[Cr]=O

InChI

1S/2Cr.3O

Clave InChI

QDOXWKRWXJOMAK-UHFFFAOYSA-N

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Descripción general

Chromium(III) oxide is also referred to as chromic oxide. It is commonly employed as a marker in various digestion assays conducted on animals.
Chromium(III) oxide is mainly used as a green pigment in paints, inks and ceramics. On a commercial scale, it is synthesized by the reduction of sodium chromate with sulfur.[1]

Aplicación

Chromium(III) oxide (Cr2O3) has been used as a standard for the determination of chromium content in cattle feces by employing different digestion techniques.1 It has also been employed as a digestibility marker in a study.[2]
Used in a solid-state reaction to form the new ternary oxide, CrVMoO7, can be used in selective oxidation.
Used in a solid-state reaction to form the new ternary oxide, CrVMoO7, which should find application in selective oxidation. Its crystal structure was also determined.[3]

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

nwg

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable


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Chromium Compounds
Anger G, et al.
Ullmann's Encyclopedia of Industrial Chemistry (2000)
C Villaverde et al.
Poultry science, 87(3), 497-505 (2008-02-19)
An experiment was designed to assess the effect of dietary unsaturated fat inclusion level on alpha-tocopherol apparent absorption and deposition in broiler chickens at 2 ages (20 and 39 d). The dietary fat was a mixture of linseed and fish
Wang, X. et al.
Inorganic Chemistry, 37, 3252-3252 (1998)
Yuanmin Wang et al.
Langmuir : the ACS journal of surfaces and colloids, 29(3), 950-956 (2012-12-20)
We investigate the single-cell reduction of toxic Cr(VI) by the dissimilatory metal-reducing bacterium Shewanella oneidensis MR-1 (MR-1), an important bioremediation process, using Raman spectroscopy and scanning electron microscopy (SEM) combined with energy-dispersive X-ray spectroscopy (EDX). Our experiments indicate that the
Viswanathan Swaminathan et al.
Journal of biomedical materials research. Part B, Applied biomaterials, 98(2), 369-378 (2011-06-08)
Hard coatings for articulating surfaces of total joint replacements may improve the overall wear resistance. However, any coating approach must take account of changes in corrosion behavior. This preliminary assessment analyzes the corrosion kinetics, impedance and mechanical-electrochemical stability of 100

Questions

  1. What is the average particle size for this chromium oxide powder?

    1 answer
    1. The particle size of this product is not a determined test specification, and testing is not performed on a lot to lot basis. However, historical data indicates the particle size is expected to be approximately 60 mesh.

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