UOP 822-81 is a laboratory method for determining the specific gravity of coke and powdered asphalts, helping technical teams compare these heavy materials on a consistent basis. For buyers evaluating UOP 822-81, the main value is in its practical role in petroleum and refinery laboratory work, where density-related properties can support material characterization, quality review, and internal documentation. It is a focused UOP Test Method suited to organizations that need a reliable reference for evaluating coke or powdered asphalt samples in a controlled analytical setting.

Overview of UOP 822-81

This UOP Test Method is centered on specific gravity measurement for coke and powdered asphalts, making it relevant when a laboratory needs a defined way to assess these solid or particulate petroleum-derived materials. The method title indicates a measurement-focused analytical use, rather than a broad product specification. In practice, UOP 822-81 supports petroleum testing workflows where material comparison, sample characterization, and technical recordkeeping depend on a consistent gravity-based result. It is most useful when the analytical question is how dense the material is relative to a reference basis.

Laboratory use of UOP 822-81

UOP 822-81 is typically of interest to laboratory analysts, refinery QA/QC teams, and technical reviewers working with coke or powdered asphalt samples. It may be used in petroleum laboratories, refinery support labs, and other analytical environments where heavy carbonaceous or asphaltic materials are evaluated for internal control or comparison. The method can also support petroleum engineers and product quality specialists who need documented test results for sample review, material classification, or routine lab reporting tied to specific gravity.

Why UOP 822-81 matters in day-to-day work

In day-to-day laboratory work, UOP 822-81 helps keep specific gravity testing consistent for materials that can be difficult to compare without a defined method. That consistency supports product review, lot-to-lot comparison, and internal quality control when working with coke or powdered asphalts. For teams managing technical documentation, a recognized UOP method can also improve clarity across reports and reviews. UOP 822-81 is therefore useful not only for measurement, but also for decision support in refinery and laboratory workflows where reliable sample characterization matters.

• Specific gravity testing for coke
• Specific gravity testing for powdered asphalts
• Petroleum and refinery laboratory use
• QA/QC and sample comparison support
• Analytical review for heavy materials
• Technical documentation and reporting consistency