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ISO/WD 22241-2

Diesel engines — NOx reduction agent AUS 32 — Part 2: Test methods

General information

Current stage: 20.20 Effective date: 24 korr 2026

Originator: ISO

Owner: ISO/TC 22/SC 34

Type: International Standard

Scope

This document specifies test methods required for determination of the quality and chemical characteristics of NOx reduction agent AUS 32 (aqueous urea solution) as specified in ISO 22241-1.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 22241-2:2019

NOW

IN_DEVELOPMENT
ISO/WD 22241-2
20.20 Working draft (WD) study initiated
24 korr 2026