ASTM D664 (Total Acid Number) Overview
High-level reference for ASTM D664 total acid number (TAN) testing (overview only).
This page provides a neutral standards reference table. Confirm current standard publications for definitive values.
Classification Table
| Attribute | Value |
|---|---|
| Standard | ASTM D664 |
| Measures | Total Acid Number (acidity) |
| Notes | Used for monitoring oxidation/acid buildup in oils; compare within same method/limits. |
Notes & Limitations
- - Do not treat this page as a substitute for the ASTM standard text.
Sources
- Manufacturer documentation
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