The physical characteristics of petroleum are extremely diverse. Numerous tests have been created and are still being developed to show how a specific feedstock should be handled. The most reasonable ways to refine and classify petroleum can be inferred from an initial examination of its nature. The application and interpretation of data obtained from multiple test procedures for petroleum feedstocks and products are described in detail in the Handbook of Petroleum Analysis, a single, all-inclusive source. Due to changes in feedstock composition over the past three decades, there has been an increased requirement for the use of analytical techniques to petroleum. The different facets of petroleum analysis are covered in the Crude Petroleum anaysis handbook, which also provides a thorough explanation of the required standard tests . Crude oil , including the requirement for standards Offers thorough justifications for evaluation of crude petroleum . This book covers discussion of standard testing methods main inspection analysis of crude petroleum : Density ,API Water content Salt content Viscosity Pour Point Sulfur content Asphaltenes content Trace elements Other tests This book is very useful for early career , student and Petroleum production company lab applicants.