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

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

Overview ISO 22241-1:2019 specifies the quality requirements for AUS 32, the aqueous urea solution (commonly known as DEF, AdBlue®, ARLA 32®) used as the NOx reduction agent in selective catalytic re…