UOP 954-03 is a petroleum laboratory method for measuring loss on ignition (LOI) in fresh, regenerated, used, and spent catalysts, catalyst supports, and adsorbents. It helps technical teams assess material condition by showing how much volatile or combustible matter may be driven off during ignition. For buyers responsible for refinery QA/QC, catalyst management, or analytical documentation, this method is relevant when comparing batches, reviewing service exposure, or evaluating whether a material remains suitable for use. UOP 954-03 supports consistent laboratory interpretation across catalyst and adsorbent workflows.

What is UOP 954-03?

UOP 954-03 is a UOP test method focused on loss on ignition determination for catalyst-related materials. In practical laboratory terms, it provides a standardized way to evaluate fresh, regenerated, used, and spent catalysts, along with catalyst supports and adsorbents, based on mass change after ignition. This makes it a useful analytical document for teams that need a controlled measurement approach rather than a general product description. UOP 954-03 is commonly selected when laboratories need a clear reference for sample condition assessment and comparable results across similar materials.

Where is UOP 954-03 used?

This method is commonly used in refinery and petrochemical laboratories, as well as by analytical chemists and technical reviewers working with catalyst and adsorbent materials. It may support incoming material checks, in-service sample review, regeneration assessment, and quality verification for process-related solids. Refinery QA/QC teams and laboratory analysts often rely on methods like UOP 954-03 when comparing fresh versus used materials or documenting changes over time. It is especially relevant where catalyst performance, material condition, and laboratory consistency all matter.

Why is UOP 954-03 important?

UOP 954-03 matters because LOI data can help teams understand how a catalyst, support, or adsorbent has changed during service, regeneration, or handling. That information supports routine quality control, material comparison, and technical review without adding unnecessary complexity. For organizations managing process materials, the method provides a practical basis for laboratory reporting and internal decision-making. UOP 954-03 is also valuable when consistent documentation is needed across different analysts, sites, or sample histories, helping improve clarity in day-to-day analytical work.

• Loss on ignition for catalyst-related solids
• Fresh, regenerated, used, and spent materials
• Catalyst supports and adsorbents
• Refinery and petrochemical lab workflows
• QA/QC review and sample comparison
• Technical documentation and reporting support