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Physical & Chemical properties

Additional physico-chemical information

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Administrative data

Endpoint:
other: Surface area
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Meets national/international standards.

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
equivalent or similar to guideline
Guideline:
other: BET (DIN 66 131)
Principles of method if other than guideline:
based on the adsorption of gaseous nitrogen at the temperature of liquid nitrogen.
[according to Brunauer, Emmet, Teller (BET),  J. Amer. Chem. Soc., 60, 309 (1938)]
Tri Star 3000, / 5 Point BET PQ 47.04
GLP compliance:
not specified

Test material

Constituent 1
Chemical structure
Reference substance name:
Silicic acid, aluminum sodium salt
EC Number:
215-684-8
EC Name:
Silicic acid, aluminum sodium salt
Cas Number:
1344-00-9
Molecular formula:
nSiO2*mAl2O3*zNa2O n = 2-4; m = 0,07 - 0,53; z = 0,11-0,50 Provided stoichiometric data are in accordance with commission regulation (EU) No 231/2012 (Specification E 554)
IUPAC Name:
aluminium(3+) sodium bis(oxosilanebis(olate))
Details on test material:
- Name of test material (as cited in study report): Alusil ET
- Substance type: inorganic
- Physical state: solid

Results and discussion

Results:
BET Surface area: 58 m2/g (average, n = 3)
single determinations: 62, 57, 54 m2/g

Applicant's summary and conclusion