Registration Dossier

Administrative data

Endpoint:
nanomaterial specific surface area
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Cross-reference
Reason / purpose:
reference to same study
Reference
Endpoint:
nanomaterial porosity
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods
Reason / purpose:
reference to same study
Qualifier:
according to
Guideline:
other: DIN 66133
Version / remarks:
Mercury Porosimetry
Qualifier:
according to
Guideline:
other: DIN 66137-2
Version / remarks:
True Density by He-Pycnometrie
GLP compliance:
no
Type of method:
other: Mercury Porosimetry, He-Pynometry
Instruments:
POREMASTER 60G
Mean:
60 %
Mean:
0.493 cm³/g
Mean:
8 nm

Additionally the true density was determined with a QUANTACHROME Ultrapycnometer 1200e (Helium) was determined to be 3.092 g/cm³

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2015
Report Date:
2015

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
ISO 9277 Determination of the specific surface area of solids by gas adsorption - BET method
GLP compliance:
no
Type of method:
BET

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid: nanoform
Specific details on test material used for the study:
form: High surface area alumina (nanofrom)

Data gathering

Instruments:
QUANTACHROME NOVA 3000e

Results and discussion

Specific surface area
Specific Surface Area:
208 m²/g

Any other information on results incl. tables

Slope = 16.583

Intercept = 2.000e-01

Correlation coefficient, r = 0.999990

C constant = 83.918

Surface Area = 207.505 m²/g

Applicant's summary and conclusion