ASTM D7691
Standard Test Method for Multielement Analysis of Crude Oils Using Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES)
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About This Item
ASTM D7691 is the ASTM standard for multielement analysis of crude oils using inductively coupled plasma atomic emission spectrometry (ICP-AES). It provides a recognized technical framework for measuring multiple elements in crude oil samples with an analytical instrument designed for elemental detection. This matters because elemental composition can affect refining decisions, product quality, and compliance-related testing, so a consistent test method helps support reliable laboratory results and comparable data.
What is ASTM D7691?
This standard defines a test method for determining multiple elements in crude oils by ICP-AES, a technique commonly used for elemental analysis. The method is intended to help laboratories perform repeatable measurements under a shared ASTM procedure. ASTM D7691 is useful when a consistent approach is needed for analyzing crude oil samples and reporting elemental content in a controlled, standardized way. Its value lies in giving users a clear technical basis for routine laboratory testing and result comparison.
Where is ASTM D7691 used?
ASTM D7691 is commonly used in laboratories that test crude oil by elemental analysis, especially where ICP-AES instrumentation is part of the workflow. It may be applied in petroleum testing environments that support sample evaluation, quality control, and incoming material assessment. The standard is relevant wherever crude oil samples need multielement measurement using a defined ASTM procedure. It is generally suited to analytical settings that require consistent methods and dependable elemental data for technical decision-making.
Why is ASTM D7691 important?
This standard is important because it helps standardize how crude oil elemental analysis is performed and reported. Using ASTM D7691 can support consistency across laboratories, improve confidence in test results, and reduce ambiguity in procurement or quality-control workflows. For organizations that depend on accurate elemental data, a recognized ASTM method can also help with compliance-oriented documentation and product evaluation. In practice, it provides a common reference for dependable multielement testing.
- Multielement analysis of crude oils
- ICP-AES-based testing method
- Standardized laboratory procedure
- Quality control and result comparison
- Technical reference for crude oil testing
- Publication Date: 2023-06-07
- Publisher: ASTM
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