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Reference
Name:
Silicon dioxide
Type of composition:
legal entity composition of the substance
State / form:
solid: nanoform
Reference substance:
Composition 1
Type of information reported:
single nanoform
Shape category:
spheroidal
Remarks:
ND and Z1, primary particle shape: 100% spherical particles with regular shape.
Shape:
spherical
Pure shape:
yes
Typical composition:
ca. 100 %
Range:
ca. 100 %
Shape category:
spheroidal
Remarks:
ND and Z1
Percentile:
D10
Typical value:
>= 1.2 nm
Range:
>= 0.5 - <= 10 nm
Percentile:
D50
Typical value:
>= 2.9 nm
Range:
>= 2 - <= 14 nm
Percentile:
D90
Typical value:
>= 11 nm
Range:
>= 5 - <= 40 nm
Typical aspect ratio (:1):
ca. 1 :1
Fraction of constituent particles in the size range 1-100 nm:
>= 50 - <= 100 %
Structure:
amorphous
Name:
amorphous
Pure structure:
yes
Typical composition:
>= 99.7 %
Range:
>= 99.7 - <= 100 %
Typical specific surface area:
>= 279 m²/g
Range of specific surface area:
>= 122 - <= 556 m²/g
Surface treatment applied:
no
Does the set contain both treated and non-surface treated nanoforms?:
no