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Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

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Administrative data

Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study meets generally accepted scientific principles. Test procedure in accordance with JIS (Japanese Industrial Standars) method without detailed documentation.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2007
Report date:
2007

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: JIS R1629-1997
GLP compliance:
no
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
oxo[(oxoalumanyl)oxy]alumane silanedione hydrate sodium
EC Number:
930-985-0
Cas Number:
1318-02-1
Molecular formula:
M2/nO • Al2O3 • ySiO2 • wH2O (n is the valency of the cation M, predominantly Na, and for Na is n=1; y can range from 2 to 222, and w is the number of water molecules typically between 4 and 40. The composition based on the metals present in the zeolite is typically: Na: 0 - 19.0%, Al: 0,3 - 19.0%, Si: 16.6 - 46.1% (general composition); additionally, depending on the water quality: Ca, Mg and K might be present below 5%
IUPAC Name:
oxo[(oxoalumanyl)oxy]alumane silanedione hydrate sodium
Details on test material:
- Name of test material (as cited in study report): HSZ-640
- Framework: orthorhombic, Mordenite (MOR)
- Related CAS No.: 1318-02-1
- Analytical purity: no data
- Approximate information on particle shape: Leaf-like

Results and discussion

Particle size
Percentile:
D50
Mean:
14.58 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.

Any other information on results incl. tables

Particle size:

D10: 4.04 µm

D50: 12.79 µm

D90: 28.47 µm

(no standard deviation given)

Applicant's summary and conclusion