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ISO/FDIS 22241-1

Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements ISO/FDIS 22241-1

General information

50.20   Proof sent to secretariat or FDIS ballot initiated: 8 weeks   Jul 29, 2026

ISO

ISO/TC 22/SC 34 Propulsion, powertrain and powertrain fluids

International Standard

43.060.40   Fuel systems

Scope

This document specifies the quality characteristics of the NOx reduction agent AUS 32 (aqueous urea solution) which is needed to operate selective catalytic reduction (SCR) converter systems in motor vehicles with diesel engines. SCR converter systems are particularly suitable for selectively reducing the nitrogen oxide (NOx) emissions of diesel engines.

Life cycle

PREVIOUSLY

PUBLISHED
ISO 22241-1:2019

PUBLISHED
ISO 22241-1:2019/Amd 1:2019

NOW

IN_DEVELOPMENT
ISO/FDIS 22241-1
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Jul 29, 2026




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