ASTM D7620
Standard Test Method for Determination of Total Sulfur in Liquid Hydrocarbon Based Fuels by Continuous Injection, Air Oxidation and Ultraviolet Fluorescence Detection
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About This Item
ASTM D7620 is a test method for determining total sulfur in liquid hydrocarbon based fuels by continuous injection, air oxidation, and ultraviolet fluorescence detection. It is designed to support accurate sulfur measurement in fuel testing workflows where sulfur content is an important quality and compliance factor. By defining a consistent analytical approach, this ASTM standard helps laboratories and fuel suppliers evaluate product characteristics with greater confidence and repeatability.
What is ASTM D7620?
ASTM D7620 is a technical standard that describes a laboratory test method for measuring total sulfur in liquid hydrocarbon based fuels. The method relies on continuous injection of the sample, air oxidation, and ultraviolet fluorescence detection to quantify sulfur content. As an ASTM standard, it provides a controlled framework for testing and reporting results, which may help improve consistency across different laboratories and quality control programs. Its focus is on sulfur determination rather than general fuel composition.
Where is ASTM D7620 used?
This standard is commonly used in fuel testing environments where liquid hydrocarbon based fuels must be checked for total sulfur content. It is relevant to laboratories, refinery quality control, product inspection, and other analytical workflows that support fuel evaluation. ASTM D7620 may be used wherever a defined sulfur test method is needed for routine analysis, specification verification, or incoming and outgoing product assessment. Its practical value comes from supporting a repeatable measurement process for fuel samples.
Why is ASTM D7620 important?
ASTM D7620 is important because sulfur content can affect fuel compliance, product acceptance, and overall quality control decisions. A standardized test method helps reduce variation in results and supports more reliable comparisons between batches, suppliers, or test locations. For organizations that handle liquid hydrocarbon based fuels, using ASTM D7620 can help strengthen documentation, procurement checks, and technical evaluation. It also supports a clearer basis for monitoring sulfur-related performance and specification requirements.
- Total sulfur measurement in liquid hydrocarbon fuels
- Continuous injection test method
- Air oxidation with ultraviolet fluorescence detection
- Fuel quality control and compliance support
- Publication Date: 2020-06-11
- Publisher: ASTM
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