UOP 699-91 is a technical method for determining sodium in liquefied petroleum gas by AAS, giving laboratories a focused way to evaluate a potential trace contaminant in LPG streams. For buyers reviewing petroleum test methods, it supports practical decisions around product quality, contamination monitoring, and analytical documentation. This makes it relevant for refinery laboratories, fuel testing teams, and quality specialists who need a defined procedure for sodium analysis in LPG. The method is especially useful where consistent measurement supports product acceptance and internal quality control.

Overview of UOP 699-91

As an AAS-based UOP Test Method, UOP 699-91 is centered on the analytical measurement of sodium in liquefied petroleum gas. The title indicates a laboratory method intended for chemical evaluation rather than general product description, so it fits workflows where elemental screening or trace analysis is required. In practice, this kind of method helps standardize how sodium is assessed in LPG samples and provides a common technical reference for laboratory personnel, analytical chemists, and product quality reviewers working with petroleum and gas-related samples.

Laboratory use of UOP 699-91

UOP 699-91 may be used in refinery and petrochemical laboratories, as well as in fuel testing environments that handle liquefied petroleum gas quality checks. It is relevant to laboratory analysts, QA/QC teams, and technical reviewers who need a recognized method for sodium measurement in LPG. In day-to-day work, the method can support sample evaluation, product comparison, and internal verification when sodium-related contamination or specification review is part of the testing program.

Why UOP 699-91 matters in day-to-day work

This method matters because sodium control can affect product quality decisions, laboratory consistency, and technical confidence in LPG test results. UOP 699-91 gives teams a defined reference for analytical work, which helps reduce ambiguity when results are reviewed across different runs, sites, or laboratories. For organizations that rely on routine quality checks, the method supports clearer documentation, more dependable comparisons, and better alignment between testing data and operational decisions. It is a practical tool for maintaining control over a specific chemical concern in LPG analysis.

• Sodium analysis in liquefied petroleum gas
• AAS-based laboratory method
• Refinery and QA/QC use
• Trace contaminant evaluation
• Supports product review and documentation