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EC number: 209-942-9 | CAS number: 598-62-9
Particle size distribution (Granulometry)
Administrative data
Link to relevant study record(s)
Description of key information
99.9% of the substance has particles less than 100 µm
Additional information
The particle size distribution of the test substance was investigated following a standard method using a Coulter LS particle size analyser . The model was an optical model Fraunhofer (PIDS included). The pre-treatment consisted of agitation of the sample with 30 mL TPPS (5%) for 2 minutes at 550 rpm. The run length was 65 seconds with pump speed set to 51, obscuration 8% and PIDS obscur at 59%. The fluid used was water.
The particle size distribution test indicates that 99.9% of the substance has particles less than 100 µm; the median particle size of the test substance was 43.73 µm. More specifically, 10.4 % of particles were up to 12.00 µm, 8.58 % of particles were up to 8.00 µm, and 6.79 % of particles were up to 4.00 µm.
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