Evaluation on Uncertainty in Determination of Hydrocarbon Composition by Fluorescence Indicator Method
The determination process of hydrocarbon composition in liquid petroleum products was analyzed,the uncertainty factors affecting the detection results were evaluated.By calculating the uncertainty factors such as repeatability,lengths of different regions,the presence of oxygen compounds,the synthetic uncertainty of hydrocarbon composition determination results in liquid petroleum products was assessed.Experimental results indicated that the primary influencing factor on the uncertainty of hydrocarbon composition determination was repeatability,followed by the determination of region lengths.When oxygen compounds were present in the oil,it was necessary to evaluate the uncertainty introduced by the determination of oxygen compounds and density measurement methods.Evaluating the uncertainty of this method is conducive to improving the reliability of detection results.
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