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Total Petroleum Hydrocarbons (TPH)

Petroleum contamination is a significant concern for both the environment and human health. Our ‘TPH’ product package allows thorough characterisation of both aliphatic and aromatic components in a single run, without the need for sample fractionation.

The challenge

  • Samples are complex, and require the aliphatic and aromatic components to be separated and quantitated.
  • Existing workflows require time-consuming and labour-intensive SPE sample fractionation.
  • Current multi-step sample preparation approaches use costly consumables, and also increase the risk of error.
  • Multiple platforms (GC–MS and GC–FID) are required to characterise both volatile petroleum hydrocarbons (VPH) and extractable petroleum hydrocarbons (EPH).
  • Previous approaches require multiple analyses, with complex chromatograms making integration difficult and subjective.


Thorough characterisation of aliphatic and aromatic components in a single run is achieved using our ‘TPH’ product package, which eliminates the inconvenience of SPE workflows.

The solution

  • INSIGHT® GC×GC flow modulation provides robust, repeatable and affordable way of separating aromatics and aliphatics in a single run, meaning that EPH and VPH methods can be run on a common platform without the need for expensive mass spectrometers.
  • ChromSpace® software provides simple group-type analysis and reporting of the TPH-CWG bands.

The benefits

  • Easier operation: Labour-intensive, multi-step SPE sample fractionation is eliminated, and GC–MS is no longer required for VPH methods.
  • Reduced cost: Fewer consumables are needed, and solvent waste is reduced.
  • Faster reporting: Fully automated workflows allow real-time data processing, with all analytes reported in a single run.
  • Doubled productivity: Dual-channel GC×GC allows two samples to be run at once.
  • Increased reliability: Minimal sample preparation minimises the risk of error, while automated data-processing avoids operator subjectivity.


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UK: 44 (0)1733 669222
USA: +1 519 206 0055
GERMANY: 49 (0)69 668 108 920