Diesel Emissions Fluid Testing (DEF)

Diesel Exhaust Fluid (DEF, AdBlue, Diesel Emissions Fluid) quality control testing per ISO 22241-1.

Diesel Emissions Fluids (DEF) are tested for quality specifications and potential contamination in Europe and North America. Often referred to as AdBlue® in European and other markets, DEF is required by many modern diesel engine applications using selective catalytic reduction (SCR) technology to reduce oxides of nitrogen exhaust.

SCR systems are part of the engine powertrain configuration, and contaminants or impurities in the Adblue or DEF could cause the SCR system to malfunction or fail. Thus, it is important to maintain DEF quality standards as characterized in the ISO 22241-1 standard. Intertek provides a full range of prompt DEF testing and analysis conforming to industry standards.

DEF, Adblue testing:

  • Diesel Exhaust Fluid quality control testing per ISO 22241-1
  • Intertek is an API recommended Analytical Supplier
  • Full Slate ISO 22241-1 analysis required for API licensing and certification

ISO 22241-1 DEF, Adblue tests:

  • ISO 22241-2 Annex B/C Urea Content

  • ISO 12185 Density at 20C

  • ISO 22241-2 Annex C Refractive Index at 20C

  • ISO 22241-2 Annex D Alkalinity as NH3

  • ISO 22241-2 Annex E Biuret content

  • ISO 22241-2 Annex F Aldehydes content

  • ISO 22241-2 Annex G Insoluble Matter content

  • ISO 22241-2 Annex H Phosphate (PO4)

  • ISO 22241-2 Annex I Ca, Fe, Cu, Zn, Cr, Ni, Al, Mg, Na, K

  • ISO 22241-2 Annex J Identity (FTIR) 

 
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