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AdBlue/Diesel Exhaust Fluid Test Standards and Test Content

2022-08-26

  AdBlue, also known as diesel engine exhaust treatment fluid, is used in diesel engines to convert nitrogen oxides in automobile exhaust into harmless nitrogen and water, reducing 90% of nitrogen oxides and 80% of particulate matter in exhaust, in order to meet the national exhaust emission standards. Low-quality AdBlue causes serious damage to the nozzles, filters and other components of the vehicle SCR system, and the quality and safety of automotive urea cannot be ignored.

  AdBlue detection range: AdBlue, solid vehicle urea, low temperature vehicle urea fluid, etc.

  Test items for AdBlueFactory testing, composition testing, formula analysis, impurity testing, quality testing, phosphate testing, quantitative testing, alkalinity testing, biuret testing, insoluble matter testing, heavy metal testing, aldehyde testing, freezing point testing, purity testing, concentration testing , formula content detection, density detection, etc.

  AdBlue detection method: The concentration of AdBlue is one of the key factors in the SCR reduction system. At present, the detection methods of urea solution for vehicles include chemical reagent titration method, Kjeldahl method, and refraction method.

  AdBlue testing standards:

GB/T 2440-2017 Urea

GB/T 2441.1-2008 Determination of Urea Part 1: Total Nitrogen Content

GB/T 2441.2-2010 Determination method of urea-Part 2: Biuret content spectrophotometry

GB/T 696-2008 Chemical Reagent Urea (urea)

GB/T 2441.3-2010 Determination of Urea Part 3: Moisture Karl Fischer Method

GB/T 2441.6-2010 Determination method of urea-Part 6: gravimetric method of water-insoluble matter content

GB/T 2441.4-2010 Determination method of urea-Part 4: Iron content o-phenanthroline spectrophotometry

GB/T 2441.5-2010 Determination method of urea-Part 5: Alkalinity volumetric method

GB/T 2441.7-2010 Determination method of urea-Part 7: Particle size sieving method

 
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