UOP 377-13 is the method for Free Sulfur in LPG by Mercury Number, giving laboratories a focused way to evaluate sulfur-related quality in liquefied petroleum gas. For buyers comparing technical standards, this UOP 377-13 method supports a practical check on LPG cleanliness and product suitability where sulfur control matters. It is especially relevant for teams that need consistent petroleum testing language across refinery QA/QC, analytical laboratories, and technical review workflows. As a UOP Test Method, it provides a structured reference for sample assessment and documentation in routine fuel and gas analysis.

What is UOP 377-13?

UOP 377-13 is a petroleum laboratory test method centered on measuring free sulfur in LPG using the mercury number approach identified in the official title. In practical terms, it is intended for analytical evaluation of liquefied petroleum gas samples where sulfur presence may affect product quality or downstream handling. Because it is a UOP method, it fits into controlled laboratory workflows that require a recognized technical document for comparing results, supporting specifications, and maintaining consistent quality assessment across testing programs.

Where is UOP 377-13 used?

UOP 377-13 is commonly used in refinery laboratories, LPG testing facilities, and petroleum quality control groups that review sulfur-related characteristics in gas streams. It may also be relevant to analytical chemists, laboratory analysts, and technical reviewers who support product qualification or supplier comparison. In organizations handling LPG for blending, storage, transfer, or customer release, this method helps keep sulfur evaluation aligned with routine lab practice and internal documentation needs. UOP 377-13 is a practical fit wherever LPG sample review is part of formal quality assurance.

Why is UOP 377-13 important?

UOP 377-13 matters because free sulfur in LPG can influence product acceptance, handling decisions, and overall quality confidence. A clear test method helps teams compare results consistently, support internal specifications, and reduce ambiguity in laboratory reporting. For refinery QA/QC personnel and technical specialists, the method provides a standardized basis for evaluating sulfur-related concerns in LPG without relying on informal interpretation. UOP 377-13 is therefore useful when analytical consistency and dependable documentation are important to day-to-day petroleum testing operations.

• Free sulfur evaluation in LPG
• Mercury number-based method reference
• Refinery and laboratory QA/QC support
• Product comparison and release review
• Technical documentation for gas testing