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Diss Factsheets

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
Study period:
20 April 2017 to 15 June 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
ISO 13320 (Particle size analysis - Laser diffraction methods)
Version / remarks:
BS ISO 13320:2009
Deviations:
no
GLP compliance:
yes (incl. QA statement)
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:
Identity: Rubidium nitrate
Appearance: White crystalline powder
Storage conditions: Room temperature (15 to 25C), desiccated, dark
Batch number: 215091B002
Purity: 100%
Expiry date: September 2017
Date received: 03 November 2016
Mass median aerodynamic diameter:
>= 190 - <= 510 µm
Key result
Percentile:
D10
Mean:
ca. 190 µm
St. dev.:
0
Remarks on result:
other:
Remarks:
see study report
Key result
Percentile:
D50
Mean:
ca. 310 µm
St. dev.:
0
Remarks on result:
other:
Remarks:
see study report
Key result
Percentile:
D90
Mean:
ca. 510 µm
St. dev.:
0
Remarks on result:
other:
Remarks:
see study report
Conclusions:
The test substance was determined to have d(0.1), d(0.5) and d(0.9) values of 190, 310 and 510 μm respectively.
Executive summary:

The purpose of this study was to determine the particle size distribution of the test substance . The study was conducted in accordance with accepted principles in order to meet the requirements of REACH Regulation (EU) No 1907/2006 of the European Parliament and of the Council and the Collaborative International Pesticides Analytical Council (CIPAC), Handbook K, 2003 (MT 187). The test substance was determined to have d(0.1), d(0.5) and d(0.9) values of 190, 310 and 510 μm respectively.

Description of key information

Particle size distribution has been determined with the support of an external lab. The study was conducted in accordance with accepted principles in order to meet the requirements of REACH Regulation (EU) No 1907/2006 of the European Parliament and of the Council and the Collaborative International Pesticides Analytical Council (CIPAC), Handbook K, 2003 (MT 187). Rubidium nitrate was determined to have d(0.1), d(0.5) and d(0.9) values of 190, 310 and 510 μm respectively.

Additional information