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NEN ISO 22241-1 : 2006
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
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DIESEL ENGINES - NO[X] REDUCTION AGENT AUS 32 - PART 1: QUALITY REQUIREMENTS
02-21-2019
01-12-2013
Defines the quality characteristics of the NO[x] reduction agent AUS 32 (aqueous urea solution) which is needed to operate converters with selective catalytic reduction, so-called SCR (selective catalytic reduction) converters, in motor vehicles with diesel engines. SCR converters are particularly suitable for selectively reducing the nitrogen oxide (NO[x]) emissions of diesel engines.
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