ASTM D7171
Standard Test Method for Hydrogen Content of Middle Distillate Petroleum Products by Low-Resolution Pulsed Nuclear Magnetic Resonance Spectroscopy
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About This Item
ASTM D7171 is the standard test method for determining hydrogen content in middle distillate petroleum products using low-resolution pulsed nuclear magnetic resonance spectroscopy. It provides a defined approach for measuring a key compositional property that can support product characterization, quality control, and comparison between samples. By focusing on hydrogen content, the standard helps users apply a consistent analytical method to middle distillate fuels and related petroleum products where dependable test results are important.
Overview of ASTM D7171
The ASTM standard ASTM D7171 is intended for laboratory testing of middle distillate petroleum products by low-resolution pulsed NMR spectroscopy. Its role is to describe a repeatable method for evaluating hydrogen content, which is a useful parameter in petroleum analysis and product assessment. In practical terms, the standard supports a controlled measurement process that can be used for technical evaluation, specification work, and internal verification of sample properties. It is especially relevant when consistency in analytical method selection matters.
Common use cases of ASTM D7171
This standard is commonly used in laboratory environments that test middle distillate petroleum products, including fuel and refining-related quality control settings. It may be applied when hydrogen content needs to be measured as part of product evaluation, comparison of batches, or method-based reporting. ASTM D7171 is also useful in workflows that rely on spectroscopic analysis and need a clear, recognized test method for routine or project-specific petroleum testing.
Benefits of using ASTM D7171
Using ASTM D7171 helps promote consistency in hydrogen content testing by providing a recognized ASTM test method for the same type of material. That can support more reliable comparisons between laboratories, samples, and production lots. It also helps teams align procurement, compliance, and quality control activities around a common technical reference. For organizations working with middle distillate petroleum products, the standard may reduce uncertainty in test selection and improve confidence in reported results.
- Hydrogen content measurement guidance
- Low-resolution pulsed NMR spectroscopy
- Middle distillate petroleum products
- Laboratory quality control support
- Consistent ASTM-based testing
- Publication Date: 2020-06-03
- Publisher: ASTM
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