ASTM D7798
Standard Test Method for Boiling Range Distribution of Petroleum Distillates with Final Boiling Points up to 538 °C by Ultra Fast Gas Chromatography (UF GC)
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About This Item
ASTM D7798 is a petroleum distillate test method that addresses boiling range distribution by ultra fast gas chromatography (UF GC). It is designed for materials with final boiling points up to 538 °C, helping users characterize how a distillate sample is distributed across its boiling range. This information matters in product evaluation, quality control, and specification work where consistent distillation behavior can affect performance and compliance.
Overview of ASTM D7798
The ASTM D7798 standard provides a technical approach for determining the boiling range distribution of petroleum distillates using UF GC. Its focus is on samples that boil through a defined range and end at or below 538 °C, making it relevant to distillate testing where a detailed volatility profile is needed. As an ASTM standard, it supports consistent laboratory practice and helps users compare results across testing programs, suppliers, and batches with greater confidence.
Common use cases of ASTM D7798
This standard is commonly used in laboratories that evaluate petroleum distillate products and need a fast, repeatable way to assess boiling distribution. It may support incoming inspection, batch release, product comparison, and formulation review for distillate streams that fall within the stated boiling limit. ASTM D7798 is also useful where ultra fast gas chromatography is preferred for efficient throughput and where distillation-related data must be documented for technical or compliance purposes.
Benefits of using ASTM D7798
Using ASTM D7798 can help improve consistency in boiling range assessment while supporting routine quality control and procurement decisions. The method provides a standardized basis for comparing petroleum distillates, which can reduce ambiguity in supplier communication and internal testing. It also helps organizations align test results with a recognized ASTM standard, supporting traceable documentation, better product evaluation, and lower risk when verifying material behavior across different samples or lots.
- Boiling range distribution by UF GC
- Applies to petroleum distillates up to 538 °C final boiling point
- Supports laboratory quality control and comparison testing
- Useful for product evaluation and specification checks
- Publication Date: 2025-02-03
- Publisher: ASTM
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