This document specifies a method for the determination of chemical components of titanium (Ti), vanadium (V), tungsten (W), molybdenum (Mo), silicon (Si), and aluminium (Al) in selective catalytic reduction (SCR) catalyst and intermediates by wavelength dispersive X-ray Fluorescence spectrometer (WD-XRF).
PROJECT
ISO/DIS 25515
40.20
DIS ballot initiated: 12 weeks
Aug 27, 2026
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