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Beschreibung
This Standard Reference Material (SRM®) is primarily intended for use in the calibration of equipment used to measure particle size distributions (PSD) in the 9 µm to 30 mm range. NIST-1984 consists of a single bottle containing approximately 14 g of tungsten carbide/cobalt powder. The PSD values at five mass percentiles were measured by scanning electron microscopy (SEM) and laser light scattering (LLS). Certified values /// Sample value(s) - please ask for current certificate.