ASTM D94
Standard Test Methods for Saponification Number of Petroleum Products
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About This Item
ASTM D94 is the ASTM standard for determining the saponification number of petroleum products, providing a consistent test method for measuring the amount of alkali required to saponify a sample. This matters because the result can help characterize certain petroleum-based materials and support quality control, product comparison, and specification work. For organizations that need reliable test data, ASTM D94 offers a recognized technical reference aligned with laboratory evaluation of petroleum products.
ASTM D94 standard overview
The Standard Test Methods for Saponification Number of Petroleum Products focuses on a specific chemical property that is commonly used to assess petroleum-derived materials. In practical terms, the test helps determine how much base is consumed during saponification, which can be useful when evaluating product consistency or composition-related characteristics. ASTM D94 is intended for laboratory use and serves as a standardized approach for producing results that can be compared across testing programs, suppliers, and quality systems.
Where is ASTM D94 used?
ASTM D94 is commonly used in laboratories that test petroleum products and related materials where saponification number is a relevant property. It may support incoming inspection, routine quality checks, and product evaluation in settings that handle oils, blends, or other petroleum-based formulations. Because the standard addresses a defined analytical test method, it is useful anywhere consistent laboratory reporting is needed for technical review, procurement decisions, or conformance to internal or external requirements.
Practical importance of ASTM D94
Using ASTM D94 helps improve consistency in testing by giving laboratories a shared method for measuring saponification number. That consistency supports more reliable comparisons between batches, suppliers, and test results over time. It can also reduce ambiguity in procurement and compliance workflows by tying evaluation to a recognized ASTM standard. For quality control teams, the standard provides a practical basis for repeatable laboratory measurement and more informed product assessment.
- Saponification number testing
- Petroleum product evaluation
- Laboratory quality control
- Comparable test reporting
- Specification and procurement support
- Publication Date: 2025-07-14
- Publisher: ASTM
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