ISO 22241-1:2019
Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements
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.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Requirements and testing
6 Handling, transportation and storage
7 Marking
Annex A (informative) Chemical characteristics
Annex B (informative) Precision of test methods
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Designation
5 Requirements and testing
6 Handling, transportation and storage
7 Marking
Annex A (informative) Chemical characteristics
Annex B (informative) Precision of test methods
Bibliography