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Physical & Chemical properties

Particle size distribution (Granulometry)

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Description of key information

The proportion of potassium dicyanoaurate < 100 μm was 17.6%. 

Additional information

A GLP-compliant, guideline study is available for this endpoint (Harlan Laboratories 2011) and is considered suitable for use as the key study.

The dustiness of kaliumgoldcyanid was tested in a modified Heubach procedure according to standard guideline (Selck and Parr 2012). atmosphere. The total dustiness of kaliumgoldcyanid was determined to be 358.82 mg/g (35.9%). The inhalable fraction was 210.76 mg/g (47.2%), the thoracic fraction was 18.54 mg/g (0.09%) and the respirable fraction was 0.86 mg/g (0.03%). The Mass Median Aerodynamic Diameter (MMAD) was determined to be 29.0 μm with a geometric standard deviation of 1.7 μm.