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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
Study period:
26-27 July 2010
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Standard operating procedure indicated. No further details on materials and methods available.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2010
Report Date:
2010

Materials and methods

Test guideline
Qualifier:
no guideline followed
Version / remarks:
Method: Standard Operating Procedure CTL SOP 417
Apparatus: Malvern Mastersizer 2000
Principles of method if other than guideline:
Method: Standard Operating Procedure CTL SOP 417
Apparatus: Malvern Mastersizer 2000
GLP compliance:
yes
Type of method:
Laser scattering/diffraction
Type of distribution:
other: not indicated

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
Product name: Saytex RB-49
CTL sample reference: 106010
Appearance: fine off-white powder

Results and discussion

Particle sizeopen allclose all
Percentile:
D10
Mean:
2.96 µm
Remarks on result:
other: standard deviation not reported
Key result
Percentile:
D50
Mean:
22.797 µm
Remarks on result:
other: standard deviation not reported
Percentile:
D90
Mean:
101.425 µm
Remarks on result:
other: standard deviation not reported
Particle size distribution at different passages
No.:
#1
Size:
< 63 µm
Distribution:
ca. 75.95 %

Applicant's summary and conclusion

Conclusions:
< 63 microm = 75.95%
Slightly dusty according to criteria ECETOC Targeted Risk Assessment.
Executive summary:

< 63 microm = 75.95%

Slightly dusty according to criteria ECETOC Targeted Risk Assessment.