ASTM D7923
Standard Test Method for Water in Ethanol and Hydrocarbon Blends by Karl Fischer Titration
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- Language: English
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About This Item
ASTM D7923 is the ASTM standard for determining water in ethanol and hydrocarbon blends by Karl Fischer titration. It provides a focused test method for measuring moisture in blended fuel and solvent materials where even small amounts of water can affect product quality, handling, and performance. As a technical document, ASTM D7923 supports consistent laboratory testing and helps buyers, producers, and quality teams compare results using a recognized method.
Overview of ASTM D7923
This standard describes a test method centered on Karl Fischer titration for water determination in ethanol and hydrocarbon blends. Its purpose is to support reliable measurement of water content in mixed liquid fuels or similar blend systems where moisture control matters. ASTM D7923 is intended for laboratory and quality control use, helping establish a common approach for assessing samples under defined testing conditions. It is especially relevant when consistent water measurement is needed for product evaluation, specification checks, or routine analysis.
Common use cases of ASTM D7923
ASTM D7923 is commonly used in laboratories that test ethanol-containing blends and hydrocarbon-based blend materials. It may be applied during incoming inspection, batch release, or periodic quality monitoring when water content must be measured with a standardized titration method. The standard is useful for teams handling blended fuel or chemical products that require moisture control, and for organizations that need a defensible testing procedure for reporting or internal compliance purposes.
Benefits of using ASTM D7923
Using ASTM D7923 helps improve consistency in water testing by giving laboratories a recognized method for Karl Fischer titration on ethanol and hydrocarbon blends. That can support more reliable product comparisons, better quality control, and clearer procurement or acceptance decisions. The standard also reduces ambiguity in testing workflows, which may lower the risk of disputes over moisture results and strengthen confidence in analytical data used for compliance or product evaluation.
- Water determination by Karl Fischer titration
- Designed for ethanol and hydrocarbon blends
- Supports laboratory quality control
- Useful for product evaluation and acceptance
- Helps standardize moisture reporting
- Publication Date: 2025-07-30
- Publisher: ASTM
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