Diesel Emissions Fluids (DEF) are tested for quality specifications and potential contaminations. Often referred to as AdBlue in European and other markets, DEF is required by many modern diesel engine applications that use 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. Chem-Tech provides a full range of prompt DEF testing and analysis conforming to industry standards.

DEF, Adblue Testing as per ISO 22241 :
  • ISO 22241-2 Annex B/C Urea Content
  • ISO 22241-2 Annex C Refractive Index at 20C
  • ISO 22241-2 Annex E Biuret content
  • ISO 22241-2 Annex G Insoluble Matter content
  • ISO 22241-2 Annex I Ca, Fe, Cu, Zn, Cr, Ni, Al, Mg, Na, K
  • ISO 12185 Density at 20 C
  • ISO 22241-2 Annex D Alkalinity as NH3
  • ISO 22241-2 Annex F Aldehydes content
  • ISO 22241-2 Annex H Phosphate (PO4)
  • ISO 22241-2 Annex J Identity (FTIR)