EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 4264 testing. This standard specifies a procedure for calculating the cetane index of medium distillate fuels derived from petroleum-derived sources. The calculated value is called the "cetane index with the quadrivariate equation".
Throughout the remainder of this standard, the term "cetane index" refers to the cetane index by the equation of four variables. This standard applies to fuels containing non-petroleum derivatives derived from tar sands and oil shale. It does not apply to pure hydrocarbons or distilled fuels from coal. Cetane index calculations do not take into account the effects of additives used to increase the Cetane number.
This standard was originally developed using a fuel matrix containing non-petroleum derivatives, some of which are derived from tar sands and oil shale.
The cetane index is not an alternative way of expressing the cetane number; It is a complementary tool to be used considering its limitations.
The cetane index is used to estimate the cetane number of diesel fuel when a test engine is not available to directly determine this property or when insufficient samples are available for an engine rating.
As a result of observed sample-specific biases, the expected error may be greater even if the characteristics of the fuel remain within the recommended application range. Therefore, users can evaluate the degree of forecast agreement required to determine the forecast's fitness for use.
EUROLAB assists manufacturers with EN ISO 4264 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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