Aromatic amines quantification in gasolines by GC-VUV

GC-VUV instrumental solution allows to quantify aromatic amines in automotive gasoline together with the analysis for DHA compounds (Detailed Hydrocarbon Analysis) and PIONA classes (paraffins, isoparaffins, olefins, naphthenes and aromatics).

Description

Vehicle efficiency is a key driver to significantly contribute to reducing greenhouse gas (GHG) emissions and accelerating the decarbonisation of the road transport sector. This improvement can be sought in better engine mechanical efficiency as well with a high performance fuel.
Some studies have shown that the use of high-octane (HOP) gasoline can increase engine efficiency over standard gasoline, resulting in lower CO2 emissions.

A particular class of compounds, among the octane boosters that can be present in HOP gasolines, are aromatic amines, in particular the molecules:

  • Aniline (CAS 62-53-3)
  • N-methylaniline (CAS 100-61-8)
  • N,N-dimethylaniline (CAS 121-69-7)
  • N-ethylaniline (CAS 103-69-5

Nowadays, this class of compounds can be added to gasolines and there is no specification limit.

The aim of this work was to develop a GC-VUV method to quantify aromatic amines in automotive gasolines together with the analysis for DHA compounds (Detailed Hydrocarbon Analysis) and PIONA classes (paraffins, isoparaffins, olefins, naphthenes and aromatics). The data obtained were compared with values of total nitrogen obtained in chemiluminescence.

Application notes
Aromatic amines quantification in gasolines by GC-VUV

The aim of this work was to set up a GC-VUV method to quantify aromatic amines in automotive gasoline together with the analysis for DHA compounds (detailed hydrocarbon analysis) and PIONA classes (paraffins, isoparaffins, olefins, naphthenes and aromatics).
The data obtained were compared with values of total nitrogen obtained in chemiluminescence.

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