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Physical & Chemical properties

Nanomaterial crystalline phase

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Administrative data

Endpoint:
nanomaterial crystalline phase
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2011

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: Internal method CA.MDA.055.
Principles of method if other than guideline:
Raman spectroscopy is a vibrational spectroscopic technic used to provide information on molecular vibrations and crystal structures.
GLP compliance:
no
Other quality assurance:
other: Test performed in compliance with ISO 9001 standard.
Type of method:
other: Raman spectroscopy
Details on methods and data evaluation:
Samples were analyzed in the powder form. They were beforehand confined between two glasses microscope slide of 2 mm in thickness.

Test material

1
Reference substance name:
GRAPHISTRENGTH C100
IUPAC Name:
GRAPHISTRENGTH C100
2
Chemical structure
Reference substance name:
Tangled Multi-Walled Carbon Nanotubes
Cas Number:
7782-42-5
Molecular formula:
Hollow tubular carbon, 1-dimensional nano structures with hexagonal arrangement of carbon atoms
IUPAC Name:
Tangled Multi-Walled Carbon Nanotubes
Test material form:
solid: nanoform

Data gathering

Instruments:
Confocal micro-Raman spectrometer T64000 JOBIN YVON with a Charge Coupled Device Detector (CCD) cooled in the nitrogen liquid.

Results and discussion

Crystalline phase
Key result
Crystallographic composition:

Raman spectrum show the typical G and D bands (representative of a graphitic structure) on 1565 cm^-1 and 1338 cm^-1.

Applicant's summary and conclusion

Conclusions:
Raman spectroscopy result confirms the graphitic structure of Graphistrength C100.
Executive summary:

Raman spectroscopy result confirms the graphitic structure of Graphistrength C100.