Oil products · Composition
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How to determine what kind of hydrocarbons are present in a petroleum product, such as whether it contains aromatic hydrocarbons
Results can be obtained through analytical testing, including the specific contents
Four-component analysis: saturated hydrocarbons, aromatic hydrocarbons, resins, asphaltenes. Nowadays, companies can analyze these parameters on their own
For light oils, composition data can be obtained through group composition analysis or individual hydrocarbon analysis, while for heavier oils, such data can be obtained through four-component analysis or specific composition analysis. For the analysis of heavier oil compositions, the chemical method is traditional, but it is time-consuming and requires various solvents. Instrumental analysis such as mass spectrometry and nuclear magnetic resonance is used; the analyzers are expensive, but the analysis process is simple.