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3. We will look at some of the major peaks in the mass spectrum of butane.

5. The molecular ion has an m/z ratio of 58.

6. It produces a peak here.

8. If a carbon–carbon bond breaks here what peaks will form as a result?

9. The CH 3 CH 2 CH 2 + ion has an m/z ratio of 43. It produces a peak here.

10. The CH 3 + ion has an m/z ratio of 15. It produces a peak here.

11. If a carbon–carbon bond breaks here what peaks will form as a result?

12. The CH 3 CH 2 + ion has an m/z ratio of 29. It produces a peak here.

13. This is a simplified mass spectrum of butane. Further fragmentation is possible.

14. End of section one, return to menu by clicking "Reset".

15. We will look at some of the major peaks in the mass spectrum of ethanoic acid.

16. The molecular ion has an m/z ratio of 60.

17. It produces a peak here.

18. If a carbon–carbon bond breaks here what peaks will form as a result?

19. The CH 3 + ion has an m/z ratio of 15. It produces a peak here.

21. The COOH + ion has an m/z ratio of 45. It produces a peak here.

22. If a carbon–oxygen bond breaks what peaks will form as a result?

23. The CH 3 CO + ion has an m/z ratio of 43. It produces a peak here. What other peak would you expect to see?

25. This is a simplified mass spectrum of ethanoic acid. Further fragmentation is possible.

26. End of section two, return to menu by clicking "Reset".

27. We will look at some of the major peaks in the mass spectrum of benzoic acid.

28. The molecular ion has an m/z ratio of 122.

29. It produces a peak here.

30. If a carbon–carbon bond breaks here what peaks will form as a result?

32. The C 6 H 5 + ion has an m/z ratio of 77. What peak would you expect to see?

33. If a carbon–oxygen bond breaks what peaks will form as a result?

34. The CH 5 CO 6 + ion has an m/z ratio of 105. It produces a peak here. What other peak would you expect to see?

35. This is a simplified mass spectrum of benzoic acid. Further fragmentation is possible.

36. End of section three, return to menu by clicking "Reset".