50.00 Final text received or FDIS registered for formal approval Oct 30, 2026
ISO
ISO/TC 29/SC 5 Grinding wheels and abrasives
Technical Specification
25.100.70 Abrasives
This International Standard deals with the chemical analysis of abrasive grains or crude based on fused aluminium oxide. lt applies to commercially available products but not necessarily to products which have been altered by use. lt includes the following determinations:
-Loss on ignition
-Silicon dioxide
-lron oxide
-Titanium dioxide
-Calcium oxide
-Magnesium oxide
-Zirconium oxide
-Aluminium oxide
-Analysis by atomic absorption spectrometry
-Potassium oxide and sodium oxide (flame photometric method)
-Analysis by X-ray fluorescence spectroscopy
-Carbon and sulfur (solid infrared absorption method)
PUBLISHED
ISO 9285:1997
IN_DEVELOPMENT
ISO/DTS 9285-1
50.00
Final text received or FDIS registered for formal approval
Oct 30, 2026