ISO 22241-1:2019

Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements

Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements

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Referenced standards

ISO 22241-2:2019
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ISO 22241-1:2019

Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements

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.

Edition2019
Standard Part No1
Published Date2019
Published ByInternational Standardization Organisation
Page Count6