40.20 DIS ballot initiated: 12 weeks Oct 20, 2026
ISO
ISO/TC 27/SC 5 Methods of analysis
International Standard
This document sets out a wavelength dispersive X-ray fluorescence (XRF) procedure for the determination of silicon, aluminium, iron, calcium, magnesium, sodium, potassium, titanium, manganese, phosphorus and sulfur.
PUBLISHED
ISO 13605:2018
IN_DEVELOPMENT
ISO/DIS 13605
40.20
DIS ballot initiated: 12 weeks
Oct 20, 2026