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ISO/WD 22241-2

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

General information

20.60     Sep 16, 2026

ISO

ISO/TC 22/SC 34

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

PROJECT
ISO/WD 22241-2
20.60 Close of comment period
Sep 16, 2026