UOP 389-04 is a trace metals analysis method for oils, designed to support laboratory evaluation of metallic content in petroleum and related oil samples. Based on the official title, Trace Metals in Oils by Wet Ashing and ICP-OES, it points to a controlled analytical workflow that prepares samples for instrumental measurement of trace elements. For buyers comparing UOP standards, this method is relevant when metal contamination, sample composition, or product cleanliness needs to be reviewed with reliable laboratory documentation. It is a practical fit for teams that depend on consistent trace metals data for quality and technical assessment.

Purpose of UOP 389-04

The purpose of UOP 389-04 is to provide a trace metals testing framework for oils using wet ashing followed by ICP-OES analysis. As a UOP Trace Metals Method, it supports the measurement-focused review of metallic constituents in oil samples, helping laboratories generate comparable results for technical evaluation. This type of method is commonly selected when a refinery or analytical lab needs a structured approach for trace metals characterization, contamination checks, or composition review. The method is especially useful where instrument-based metals analysis must be documented clearly for internal or external reporting.

Laboratory use of UOP 389-04

UOP 389-04 is commonly relevant in petroleum and refinery laboratories where trace metals data support sample review, quality control, and product characterization. Analytical chemists and laboratory analysts may use it to assess oil samples before or during routine testing programs, while QA/QC teams and technical reviewers may rely on the results for comparison and documentation. In process or product support settings, the method can also help teams evaluate whether a sample shows unusual metals content that may affect handling, performance, or further analysis. Its value is strongest in controlled lab workflows built around trace metals measurement.

Practical value of UOP 389-04

The practical value of UOP 389-04 lies in its ability to support consistent trace metals assessment in oils using a defined analytical approach. For professionals responsible for product evaluation or laboratory oversight, it helps improve data clarity and makes result comparison more straightforward across samples, batches, or testing events. That can be important when teams need dependable evidence for quality control, technical review, or internal records. UOP 389-04 also fits well into laboratories that prioritize method discipline and repeatable metals analysis as part of routine petroleum testing.

• Trace metals analysis for oils
• Wet ashing preparation workflow
• ICP-OES instrumental measurement
• Refinery laboratory quality control
• Analytical chemistry and technical review
• Sample composition and contamination checks