CONTENTS -



Preface -



PART 1. THE PETROLEUM ACIDS -


1. Introduction -


2. Early Investigations 12 -


3. Availability and Methods of Isolation of Naphthenic Acids 17 -


4. Distribution and Concentration of Acids III Petroleum 39 -


5. Purification of Petroleum Acids 45 -


6. Analytical Methods 51 -


7. Methods of Separating Petroleum Acids 59 -


8. Characterization of Petroleum Acids -


9. The Structure of Petroleum Acids 93 -


10. The Hexahydrobenzoic Acid Problem 110 -


11. Salts and Derivatives of Petroleum Acids 115 -


12. Phenols 120 -


13. The Aliphatic or Fatty Acids 136 -


14. von Braun's Study of the Properties and Reactions of Naphthenic Acids 144 -


15. von Braun's Study of Roumanian Petroleum Acids 155 -


16. The Structure of von Braun's Ketone 166 -


17. Bicyclic, Polycyclic, and Aromatic Acids 189 -


18. Recent Studies on Naphthenic Acids 198 -


Chichibabin's Work on Baku Acids ;


Various Minor Studies on Eurasian Acids ;


Nenitzescu's Studies on Roumanian Acids ;


Work at the University of Texas ;


Gas-Well Acids -


19. The Origin of Petroleum Acids 236 -


20. Utilization of Naphthenic Acids 246 -



PART II. THE PETROLEUM BASES -

21. Introduction 281 -


22. Nitrogen in Petroleum 283 -


Analysis ;


Isolation ;


The Nonbasic Compounds in Petroleum -


23. Separation of Basic Compounds 302 -


24. Early Investigations 316 -


25. Investigations at the University of Texas 324 -


26. Cracking-Process Bases 342 -


27. The Origin of Petroleum Nitrogen Compounds 348 -


28. Uses of Petroleum Bases 356 -


Index 361 -