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Particle size distribution (Granulometry)

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Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Study performed according to GLP and OECD guidelines
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ISO 13320:2009
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 187
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Mass median aerodynamic diameter:
5.291 µm
Percentile:
D50
Mean:
4.913 µm
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Size:
4.913 µm
Remarks on result:
other: average of 5 runs (median d.50)
Conclusions:
MMAD = 5.291 µm (average)
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
DIN 55992-1 (Determination of a parameter for the dust formation of pigments and extenders - Part 1: Rotation method)
Version / remarks:
2006
Deviations:
not specified
GLP compliance:
not specified
Type of method:
rotating drum method
Remarks:
Heubach procedure
Percentile:
D50
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.

 Measurement  Total dust (mg/100 g)  Total dust (mg/g)
 1  0,1159  11,59
 2  0,1139  11,39
 3  0,1120  11,20
 average  0,1139  11,39
Conclusions:
The average measurement of total dust = 11,39 mg/g

Description of key information

The average measurement of total dust = 11,39 mg/g. The ECETOC TRA or MEASE fugacity class is "low".

Additional information