Diesel Exhaust Fluid Testing

Bureau Veritas provides analysis of Diesel Exhaust Fluid in compliance with ISO 22241 specifications.

This specification states 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.

Testing is performed in compliance with ISO 22241 Requirements:

Our range of services include:

  • ISO 22241-2 Annex A Sampling
  • ISO 22241-2 Annex B Urea Content by total nitrogen
  • ISO 22241-2 Annex C Refractive Index @ 20C
  • ISO 22241-2 Annex D Alkanity as NH3
  • ISO 22241-2 Annex E Biuret Content
  • ISO 22241-2 Annex F Aldehydes Content
  • ISO 22241-2 Annex G Insoluble matter
  • ISO 22241-2 Annex H Phosphate (PO4)
  • ISO 22241-2 Annex I Metals: Ca, Fe, Cu, Zn, Cr, Ni, Al, Mg, Na & K
  • ISO 22241-2 Annex J FTIR Identity
  • ISO 3675 / 12185 Density @ 20C

Inspection Services include:

  • Tank/ Rail/ Barge/ Ship inspection
  • Gauging
  • Quality Testing and Certification

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