ASTM D1093 is the ASTM standard for evaluating the acidity of hydrocarbon liquids and their distillation residues. It provides a clear technical reference for measuring acidity in these materials, helping users compare results consistently across testing programs. For laboratories, buyers, and quality teams, the standard is useful because acidity can influence material behavior, handling decisions, and acceptance criteria. ASTM D1093 supports more reliable testing and more consistent product evaluation.

What is ASTM D1093?

ASTM D1093, Standard Test Method for Acidity of Hydrocarbon Liquids and Their Distillation Residues, is a test method focused on determining acidity in hydrocarbon-based liquids and the residues left after distillation. As an ASTM standard, it gives a structured approach for laboratory analysis so results can be reported in a consistent way. This makes it a practical technical document for quality control, specification checks, and comparison of test data when acidity is an important property.

Where is ASTM D1093 used?

This standard is commonly used in laboratory and quality assurance settings where hydrocarbon liquids or distillation residues must be checked for acidity. It is relevant in workflows that involve receiving inspection, product release testing, or routine material evaluation. ASTM D1093 is especially useful when acidity results need to support technical documentation, procurement decisions, or compliance-related review. It may also be applied where distillation-derived residues are part of the material assessment process.

Why is ASTM D1093 important?

ASTM D1093 matters because acidity measurement can help users judge whether a hydrocarbon liquid or residue meets expected requirements. Consistent testing supports better quality control, clearer procurement decisions, and more dependable product comparisons. It also reduces uncertainty when evaluating materials that may affect performance, storage, or downstream processing. Using ASTM D1093 helps organizations align testing practices with a recognized standard and improves confidence in reported acidity results.

• Acidity measurement for hydrocarbon liquids
• Evaluation of distillation residues
• Laboratory and quality control use
• Consistent test reporting
• Support for material acceptance decisions