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Diesel engines run with a lean burn air-to-fuel ratio (overstoichiometric ratio) to ensure the full combustion of soot and prevent unburnt fuel from being exhausted. The excess of oxygen necessarily leads to generation of nitrogen oxides (NOx), which are harmful pollutants, from the nitrogen in the air. Selective catalytic reduction is used to reduce the amount of NOx released into the atmosphere.


Experience

What Really Matters

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About Us

Amalgatech DEF Testing Services has well over 30 years of analytical fluid testing experience.

We are at the forefront of this quickly changing economy and we work closely with our clients because we are fully committed to meeting and exceeding expectations. We also believe in keeping our services competitively priced for our clients, we make sure to work around your budget.


We are proud that so many of our clients have repeatedly turned to us for guidance and assistance with their testing futures, and we work hard to earn their loyalty every day.

Relevant Reading


Amalgatech is a specialized fluids testing laboratory. We perform more independent engine coolant (antifreeze) testing than anyone else, and we are also experienced in HVAC fluids, fuels and lubricants. Along with the testing of coolants, Amalgatech's resources also lend themselves to the evaluation of heat exchangers such as radiators and heater cores.Recently, Amalgatech has added the ISO 22241 protocol for Diesel Exhaust Fluid Testing (DEF Testing) Diesel Exhaust Fluid is the new companion fluid used in today's "clean diesel" engines to reduce NOx Emissions. DEF Testing is critical to insure the purity of the fluid, so that the DEF does not cause problems that can cause the vehicle to shut down. 


How it works...

What makes DEF Great?

 Diesel exhaust fluid (from a separate DEF tank) is injected into the exhaust pipeline, the aqueous urea vaporizes and decomposes to form ammonia and carbon dioxide. Within the SCR catalyst, the NOx are catalytically reduced by the ammonia (NH3) into water (H2O) and nitrogen (N2), which are both harmless; and these are then released through the exhaust.[3]