UOP 375-86 is a UOP test method for the calculation of characterization factor and estimation of molecular weight of petroleum oils. For laboratories and technical teams working with petroleum samples, it provides a structured way to derive useful property indicators that support product review and material comparison. This makes the method relevant when evaluating crude oils, refinery streams, or other petroleum-based materials where characterization data is needed for technical decisions, documentation, or downstream processing assessments.

Purpose of UOP 375-86

The purpose of UOP 375-86 is to support petroleum characterization by calculating a characterization factor and estimating molecular weight from petroleum oil data. As a UOP method, it fits into analytical and engineering workflows where derived properties help define sample behavior and compare materials consistently. The method is especially useful when laboratory personnel, petroleum specialists, or process engineers need a practical reference for interpreting oil properties in a controlled, documented way. UOP 375-86 is intended to support clear, repeatable technical evaluation rather than broad qualitative assessment.

Laboratory use of UOP 375-86

In practice, UOP 375-86 may be used in refinery laboratories, petroleum testing facilities, and technical review groups that evaluate oil composition or performance-related characteristics. It can support QA/QC teams, laboratory analysts, and process-focused engineers when checking sample consistency or comparing petroleum materials across batches or sources. The method is also relevant when molecular weight estimation and characterization factor data are needed for reporting, internal specification work, or broader refinery decision-making. Its value lies in providing a standardized technical basis for petroleum sample evaluation.

Practical importance of UOP 375-86

UOP 375-86 matters because derived properties such as characterization factor and estimated molecular weight can improve technical clarity during product review. These values help teams compare samples more consistently, document petroleum properties more effectively, and support quality-focused decisions in the laboratory or refinery environment. For organizations handling oils and related petroleum materials, the method adds structure to analytical workflows and can reduce uncertainty in interpretation. That makes it useful for teams that rely on dependable method selection and clear property data for internal review.

• Petroleum oil characterization
• Characterization factor calculation
• Molecular weight estimation
• Refinery laboratory workflows
• QA/QC and technical review
• Sample comparison and documentation