Cerium gadolinium oxide

Substance identity

Identification

Display Name:

Cerium gadolinium oxide

EC Number:

953-470-2

Molecular formula:

Gd2CeO5

IUPAC Name:

Cerium gadolinium oxide

Type of Substance

Composition:

UVCB

Origin:

inorganic

Compositions

Boundary Composition(s)

Cerium gadolinium oxide

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Cerium dioxide

EC Number:

215-150-4

EC Name:

Cerium dioxide

CAS Number:

1306-38-3

Molecular formula:

CeO2

IUPAC Name:

cerium dioxide

Constituent 2

Reference substance name:

Digadolinium trioxide

EC Number:

235-060-9

EC Name:

Digadolinium trioxide

CAS Number:

12064-62-9

Molecular formula:

Gd2O3

IUPAC Name:

gadolinium(3+);oxygen(2-)

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Spheroidal crystalline cerium gadolinium oxide

Shape

Shape description

Shape category:

spheroidal

Shape:

other: See Remarks below

Pure shape:

yes

Typical composition:

ca. 100 %

Range:

ca. 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Typical value:

ca. 25 nm

Range:

>= 15 - <= 50 nm

Percentile 2

Percentile:

D50

Typical value:

ca. 39 nm

Range:

>= 23 - <= 90 nm

Percentile 3

Percentile:

D90

Typical value:

ca. 58 nm

Range:

>= 34 - <= 120 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 99 - <= 100 %

Crystallinity

Structures

Structure:

crystalline

Name:

Fluorite

Pure structure:

yes

Typical composition:

ca. 100 %

Crystal system:

cubic

Specific surface area

Typical specific surface area:

ca. 25.2 m²/g

Range of specific surface area:

>= 5 - <= 30 m²/g

Typical volume specific surface area:

> 183 m²/cm³

Range of volume specific surface area:

>= 36 - <= 220 m²/cm³

Skeletal density:

ca. 7.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Legal Entity Composition(s)

Cerium gadolinium oxide

Nanoform

State Form:

solid: nanoform

Constituent 1

Reference substance name:

Cerium dioxide

EC Number:

215-150-4

EC Name:

Cerium dioxide

CAS Number:

1306-38-3

Molecular formula:

CeO2

IUPAC Name:

cerium dioxide

Constituent 2

Reference substance name:

Digadolinium trioxide

EC Number:

235-060-9

EC Name:

Digadolinium trioxide

CAS Number:

12064-62-9

Molecular formula:

Gd2O3

IUPAC Name:

gadolinium(3+);oxygen(2-)

Characterisation of nanoforms

Type of information reported:

single nanoform

Name of nanoform:

Spheroidal crystalline cerium gadolinium oxide

Shape

Shape description

Shape category:

spheroidal

Shape:

other: See Remarks below

Pure shape:

yes

Typical composition:

ca. 100 %

Range:

ca. 100 %

Particle size distribution and range

Particle size distribution and range

Shape category:

spheroidal

Percentile

Percentile 1

Percentile:

D10

Typical value:

ca. 25 nm

Range:

>= 15 - <= 50 nm

Percentile 2

Percentile:

D50

Typical value:

ca. 39 nm

Range:

>= 23 - <= 90 nm

Percentile 3

Percentile:

D90

Typical value:

ca. 58 nm

Range:

>= 34 - <= 120 nm

Fraction of constituent particles in the size range 1-100 nm:

>= 99 - <= 100 %

Crystallinity

Structures

Structure:

crystalline

Name:

Fluorite

Pure structure:

yes

Typical composition:

ca. 100 %

Crystal system:

cubic

Specific surface area

Typical specific surface area:

ca. 25.2 m²/g

Range of specific surface area:

>= 5 - <= 30 m²/g

Typical volume specific surface area:

> 183 m²/cm³

Range of volume specific surface area:

>= 36 - <= 220 m²/cm³

Skeletal density:

ca. 7.25 g/cm³

Surface functionalisation / treatment

Surface treatment applied:

no

Composition(s) generated upon use

Other types of composition(s)