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Particle size distribution (Granulometry)

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Determination of the particle size according to OECD 110 is scientifically not justified, since the method is applicable to insoluble substances only. The water solubility must be below 10 to 6 g/L according to criteria of the testing guideline. Since the substance is soluble in water above 10 g/L, particle size distribution was determined by dry sieving according to ISO 2591 Part 1, where woven wire cloth and perforated metal plate were used. Results are provided in Chapter 4.23.

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