UOP 269-90 is a laboratory test method for measuring nitrogen bases in hydrocarbons by potentiometric titration. It is designed to help professionals evaluate basic nitrogen content in petroleum-derived samples where nitrogen compounds can affect product behavior, processing performance, and analytical interpretation. For refinery and laboratory teams, this method supports consistent sample review, technical comparison, and quality-focused decision-making. UOP 269-90 is especially relevant when a buyer needs a clear, standards-based approach to assess nitrogen base content in hydrocarbon materials.

UOP 269-90 method scope

This UOP 269-90 method focuses on the analytical determination of nitrogen bases in hydrocarbons using potentiometric titration. As a UOP test method, it fits routine and investigative laboratory work where the basic nitrogen fraction of a sample needs to be evaluated in a controlled, repeatable way. The method is relevant to petroleum and chemical analysis tasks that require a standardized titration-based approach rather than broad compositional screening. Buyers typically review it for method selection, laboratory documentation, and sample characterization workflows tied to hydrocarbon products.

Where is UOP 269-90 used?

UOP 269-90 is commonly used in petroleum and refinery laboratories, along with analytical chemistry environments that support hydrocarbon testing. It may be used by laboratory analysts, QA/QC teams, technical reviewers, and petroleum specialists who need to assess nitrogen base content for product evaluation or process-related review. In practice, it can support sample comparison, incoming material checks, and internal documentation where method consistency matters. UOP 269-90 is a practical reference when titration-based nitrogen base analysis is part of the workflow.

Why professionals use UOP 269-90

Professionals use UOP 269-90 because it provides a defined analytical framework for a specific hydrocarbon property that can matter in refinery and laboratory decision-making. The method helps teams maintain consistency across testing programs, compare results between samples, and support quality records with a recognized UOP approach. For organizations managing petroleum or chemical materials, that kind of method clarity is valuable for technical review, laboratory control, and documentation. UOP 269-90 is often selected when reliable measurement of nitrogen bases is needed for practical evaluation.

• Nitrogen bases in hydrocarbons
• Potentiometric titration method
• Petroleum and refinery laboratory use
• QA/QC and sample comparison
• Analytical documentation and review