Experiments & Graphs

Composite dispersion plot of DMMP, heptanol-1 and cyclohexanone in purified air at 45◦Composite dispersion plot of DMMP, heptanol-1 and cyclohexanone in purified air at 45◦

 

Extracted ion chromatograms for mixture of DMMP, heptanol-1 and cyclohexanone: a) XIC with DMS1 in all pass mode and SVDMS2=500V and CVDMS2=-0.4 V  b) XIC with SVDMS1=500V, CVDMS2= -0.4V and SVDMS1=1000V, CVDMS1=-0.8V; c) XIC with SVDMS1= 600V, CVDMS1=0V and SVDMS2=1400V, CVDMS2 =2.2V; d) XIC with SVDMS1=700V, CVDMS1=0V and SVDMS2=1500V, CVDMS2=4.0V

Extracted ion chromatograms for mixture of DMMP, heptanol-1 and cyclohexanone

 

Picture3

 

Topographical plots of ion intensity, retention time and compensation voltage for mixture of 23 compounds: (a) SVDMS2=700 V; (b) SVDMS2=1000 V. DMS1 was in all pass mode in both cases. Peak identities are as follows:  1. isopropanol, 2. acetone, 3. ethyl acetate, 4. isopropyl acetate, 5. 1-butanol, 6. tert-butyl acetate, 7. isopropenyl acetate, 8. pinacolone, 9. 2-mehyl-3-pentanone 10. isobutyl acetate, 11. 2,4-dimethyl-3-pentanone, 12. 2-hexanone, 13. n-butyl acetate, 14. methyl valerate, 15. 1-hexanol, 16. heptanal, 17. 2, 6-dimethyl-4-heptanone, 18. 1-heptanol, 19. cyclohexanone, 20. dimethyl methylphosphonate, 21. octanal, 22. 3-methylcyclohexanone, 23. Cycloheptanone

Topographical plots of ion intensity, retention time and compensation voltage for mixture of 23 compounds

Figure 8. Ion chromatograms of mixture of 23 compounds: a) Inverted reactant ion peak chromatogram with DMS1 in all pass mode and SVDMS2=500V and CVDMS2=-1.8V  b) XIC with SVDMS1=600V ,CVDMS1=-0.5V and SVDMS2=1200V , CVDMS2=-1.4V; c) XIC with SVDMS1=1000V ,CVDMS1=1.2V and SVDMS2=1500V , CVDMS2=4.4V

Ion chromatograms of mixture of 23 compounds