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Particle size distribution (Granulometry)

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Description of key information

According to OECD guideline 110, the particle size distribution of 2-(4-morpholinothio)benzothiazole was determined by scanning electron microscopy method for the sieved fraction (< 100 µm, 0.26 % of total sample) and presented on the basis of calculated mass fractions. The median diameter was 42 µm with the main fraction of 97% distributing in the range of 10 to 100 µm (Currenta, 2010); and hence the tested 2-(4-morpholinothio)benzothiazole particles with sieved size smaller than 100 µm are mainly dominated by inhalable fraction as defined in EN 481.

Additional information

The sample has been chose as a worst case which are available from the manufactures in EU.