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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: CIPAC MT 59, 2009
GLP compliance:
yes (incl. QA statement)
Type of method:
sieving
Type of distribution:
mass based distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
3-Mercaptopropyl-functionalized silica gel
EC Number:
945-952-6
Molecular formula:
Si-CH2-CH2-CH2-SH
IUPAC Name:
3-Mercaptopropyl-functionalized silica gel

Results and discussion

Particle size distribution at different passagesopen allclose all
No.:
#1
Size:
> 1 mm
Distribution:
ca. 0.05 %
No.:
#2
Size:
>= 0.5 - <= 1 mm
Distribution:
ca. 0.47 %
No.:
#3
Size:
>= 0.25 - <= 0.5 mm
Distribution:
ca. 1.4 %
No.:
#4
Size:
>= 0.106 - <= 0.25 mm
Distribution:
ca. 2.52 %
No.:
#5
Size:
>= 0.053 - <= 0.106 mm
Distribution:
ca. 95.54 %
Remarks on result:
other: The average of the quantity of fine powder (< 0.053 mm) removed from the sample before final sieving was equivalent to 16.21%.

Applicant's summary and conclusion