DIN ISO 9285:1998-01

The document deals with the chemical analysis of abrasive grains or crude based on fused aluminium oxide. It applies to commercially available products but not necessarily to products which have been altered by use. It includes the following determinations: Loss on ignition, silicon dioxide, iron oxide, titanium dioxide, calcium oxide, magnesium oxide, zirkonium oxide, aluminium oxide, analysis by atomic absorption spectrometry.