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ISO/DIS 25515

Determination of composition of Selective Catalytic Reduction (SCR) catalysts by wavelength dispersive X-ray Fluorescence (XRF)

General information

40.20     Aug 27, 2026

ISO

ISO/TC 47

International Standard

77.040.30  

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Scope

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).

Life cycle

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PROJECT
ISO/DIS 25515
40.20 DIS ballot initiated: 12 weeks
Aug 27, 2026

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