Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
Particle size = 76.4 % < 100 µm; 3.41 % < 10.0 µm; 1.42 % < 5.5 µm, Eq. OECD 110, Butler & White (2008).
Additional information
In the key study Butler & White (2008), the particle size of the test material was determined under GLP conditions in accordance with
he technical guidance EC JRC Guidance Document on the Determination of Particle Size Distribution, Fibre Length and Diameter Distribution of Chemical Substance which satisfies the data requirements for the method OECD 110. The method used the particle size distribution fibre length and diameter distribution method. This study was assigned a reliability score of 1 in line with the principles for assessing data quality as defined by Klimisch et al (1997).
Under the conditions of the test, 76.4% of the test material was of an inhalable particle size less than 100 µm, 3.41 % was of a thoracic particle size less than 10.0 µm, and 1.42 % was determined to have a respirable particle size less than 5.5 µm.
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