UOP 565-92 is a laboratory method for measuring acid number and naphthenic acids by potentiometric titration, making it a practical reference for evaluating corrosive or acidic characteristics in petroleum and related samples. For buyers comparing test methods, UOP 565-92 supports analytical work where acid content and naphthenic acid behavior may affect material handling, product quality, or downstream equipment performance. It is a useful document for teams that need a clear, standardized approach to this type of chemical assessment in refinery and fuel testing environments.

What is UOP 565-92?

UOP 565-92 is a UOP Test Method centered on potentiometric titration for the determination of acid number and naphthenic acids. As a laboratory analytical method, it is intended to support measurement of acidic components in petroleum or similar process samples using a standardized testing approach. The official title indicates a focus on both general acidity and naphthenic acid content, which can be important when reviewing sample behavior, comparing materials, or documenting quality-related properties. It is best suited to technical users who need a defined method for chemical characterization.

Where is UOP 565-92 used?

UOP 565-92 is commonly used in petroleum laboratories, refinery QA/QC groups, and analytical chemistry teams that evaluate feedstocks, process samples, or finished products for acidity-related characteristics. It may also be relevant to technical reviewers, petroleum specialists, and fuel testing personnel who need a recognized method for method selection, sample comparison, or documentation. In practice, it supports routine laboratory workflows where acid number and naphthenic acids are part of product review, corrosion-related assessment, or internal quality verification.

Why is UOP 565-92 important?

UOP 565-92 matters because acidity measurements can influence product acceptance, equipment compatibility, and technical decisions in refinery and laboratory settings. A consistent potentiometric titration method helps teams compare results more reliably across samples, support internal quality control, and maintain clearer analytical records. For organizations working with petroleum or related chemical materials, this method provides a practical basis for evaluating acid-related properties without relying on less structured testing approaches. That makes it valuable for day-to-day review, documentation, and cross-checking of sample condition.

• Acid number measurement
• Naphthenic acids evaluation
• Potentiometric titration method
• Petroleum and refinery laboratory use
• QA/QC and technical review support
• Sample comparison and documentation