COC-GC-FID / Gas chromatograph with direct injection

Test and analysis


  • Manufacturer : Hewlett Packard
  • Model : HP 6890 Series


  • The “Cool-on-column” injector allows to inject products less volatile than those injected on the GC-MS. It therfore allows to see more molecules than by GC-MS.
  • The column used (MXT-Biodiesel) achieves temperatures up to 430ºC.


  • Can be used to measure the total and free glycerin content of biodiesel.