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Physical & Chemical properties

Particle size distribution (Granulometry)

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Reference
Endpoint:
particle size distribution (granulometry)
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study with acceptable restrictions
Qualifier:
equivalent or similar to
Guideline:
OECD Guideline 110 (Particle Size Distribution / Fibre Length and Diameter Distributions - Method A: Particle Size Distribution (effective hydrodynamic radius)
GLP compliance:
no
Type of method:
Laser scattering/diffraction
Type of particle tested:
primary particle
Type of distribution:
volumetric distribution
Specific details on test material used for the study:
For the measurement, the test material was suspended in water.
Percentile:
D10
Mean:
1.11 µm
Remarks on result:
other: no standard deviation reported
Key result
Percentile:
D50
Mean:
4.5 µm
Remarks on result:
other: no standard deviation reported
Percentile:
D90
Mean:
5.33 µm
Remarks on result:
other: no standard deviation reported
Conclusions:
D50: 4.50 µm
Executive summary:

The D50 of monuron was determined to be 4.50 µm by laser difraction.

The result is considered relevant and reliable for the risk assessment.

Description of key information

D50: 4.50 µm

Additional information

The D50 of monuron was determined to be 4.50 µm by laser difraction.

The result is considered relevant and reliable for the risk assessment.