UOP 551-86 is a laboratory method for evaluating hexanes and lower boiling hydrocarbons in olefin free gasolines by GC. It is relevant where petroleum teams need a focused way to review light hydrocarbon content in gasoline samples and support product characterization, quality checks, or technical comparison. For buyers selecting a UOP test method, this standard helps define a clear analytical approach for refinery and fuel laboratory work. UOP 551-86 is especially useful when consistent chromatographic assessment of low-boiling components is part of routine documentation or investigation.

Overview of UOP 551-86

This UOP method provides an instrumental gas chromatographic framework for examining hexanes and lower boiling hydrocarbons in olefin free gasolines. Its title indicates a measurement-oriented test method intended for laboratory analysis rather than process operation. In practical terms, it supports characterization of light hydrocarbon composition in gasoline-related samples, helping analytical teams compare materials and document results in a consistent way. UOP 551-86 is a useful reference for organizations that rely on petroleum testing methods to manage sample review, specification support, or internal quality assessment.

Laboratory use of UOP 551-86

UOP 551-86 is commonly suited to petroleum and fuel testing laboratories where gasoline composition needs to be checked by GC. It may be used by laboratory analysts, analytical chemists, refinery QA/QC teams, and technical reviewers who handle product release checks, sample comparison, or method-based reporting. Because the method focuses on olefin free gasolines and lower boiling hydrocarbons, it fits workflows where light-end composition matters to product evaluation and documentation. It can also support internal review by engineering or quality personnel involved in refinery and fuel laboratory decisions.

Why UOP 551-86 matters in day-to-day work

In day-to-day laboratory work, UOP 551-86 helps support consistent evaluation of gasoline samples with an emphasis on hexanes and lower boiling hydrocarbons. That consistency is important for comparing batches, reviewing analytical data, and maintaining clear technical records across refinery or fuel testing programs. For teams managing product quality, a defined UOP method can improve clarity in reporting and reduce ambiguity during internal review. It also helps ensure that laboratory results are organized around a recognized analytical approach when decisions depend on light hydrocarbon composition.

• Gas chromatographic analysis
• Hexanes and lower boiling hydrocarbons
• Olefin free gasoline samples
• Refinery and fuel laboratory use
• QA/QC and technical review support