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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

Current stage: 40.00 Effective date: 26 qer 2026

Originator: ISO

Owner: ISO/TC 47

Type: International Standard

ICS: 77.040.30

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

NOW

IN_DEVELOPMENT
ISO/DIS 25515
40.00 DIS registered
26 qer 2026