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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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
Study period:
2009
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: no GLP, guidance followed

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other: low-angle laser light scattering
Deviations:
no
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of distribution:
counted distribution

Test material

Constituent 1
Chemical structure
Reference substance name:
Lead diazide
EC Number:
236-542-1
EC Name:
Lead diazide
Cas Number:
13424-46-9
Molecular formula:
N6Pb
IUPAC Name:
lead diazide

Results and discussion

Particle sizeopen allclose all
Percentile:
D50
Mean:
ca. 40 µm
St. dev.:
0.2
Remarks on result:
other: Migrated from fields under 'Mass median diameter' as D50 percentile. No source field for Standard deviation.
Percentile:
other: D70
Mean:
ca. 50 µm
St. dev.:
0.2
Percentile:
D10
Mean:
15.8 µm
St. dev.:
0.2
Percentile:
D50
Mean:
40.5 µm
St. dev.:
0.2
Percentile:
D90
Mean:
64.1 µm
St. dev.:
0.2
Particle size distribution at different passages
No.:
#1
Size:
>= 0 - <= 50 µm
Distribution:
>= 0 - <= 70 %

Applicant's summary and conclusion