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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Particle size distribution (Granulometry)

Administrative data

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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
Laser scattering/diffraction
Type of distribution:
volumetric distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Peptones, casein
EC Number:
293-428-4
EC Name:
Peptones, casein
Cas Number:
91079-40-2
Molecular formula:
Not applicable
IUPAC Name:
Peptones, casein
Test material form:
solid: particulate/powder

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
27 µm
Remarks on result:
other: Median particle size determined by laser diffraction measurement(migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.)
Percentile:
D10
Mean:
5 µm
Remarks on result:
other: Average of two test series
Percentile:
D50
Mean:
26.94 µm
Remarks on result:
other: Average of two test series
Percentile:
D90
Mean:
90.84 µm
Remarks on result:
other: Average of two test series

Applicant's summary and conclusion

Conclusions:
The test item peptone casein has a median particle size L50 = 27 µm which was determined by laser diffraction measurement.