: Determined by titrating the sample with standard hydrochloric acid (HCl) using a color indicator (typically bromphenol blue). Primary, Secondary, and Tertiary Amine Values
The basicity contribution from tertiary amines ( The Industrial Importance of Amine Value Testing
The basicity contribution originating strictly from tertiary amino groups ( Significance and Industrial Applications
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ASTM D2074 is an essential, reliable standard for labs involved in the chemical analysis of fatty amines. By utilizing the alternative indicator method, it provides a practical way to determine total and individual amine values. Always refer to the official ASTM D2074 PDF for the precise instructions, as ensuring technical accuracy is vital for quality control in chemical manufacturing.
The ASTM D2074 standard outlines a series of precise titrations using a standard acid solution (typically hydrochloric acid, HCl, dissolved in an isopropyl alcohol solvent).
ASTM D2074 is a standard developed by ASTM International (formerly the American Society for Testing and Materials). Its official title is : Determined by titrating the sample with standard
Because of these wide‑ranging uses, even a withdrawn standard can remain important for quality control in older facilities or when comparing historical data.
Add the appropriate indicator solution to the dissolved sample.Titrate directly with the standardized acid solution until color change.Record the exact volume of titrant consumed during this stage. 3. Separation of Amine Types
ASTM D2074-07(2019) outlines the Alternative Indicator Method for determining total, primary, secondary, and tertiary amine values in fatty amines, specifically excluding amidoamines and diamines. The procedure utilizes specific chemical indicators, such as bromphenol blue, to measure amine basicity through titration. Purchase the full standard on the ASTM International ASTM International By utilizing the alternative indicator method, it provides
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The ASTM D2074 PDF is a widely used standard test method for evaluating the flexural properties of plastics. By understanding the test method, key properties measured, and its importance, industries can ensure the selection and use of suitable plastic materials for various applications. The test method provides valuable information on the flexural strength, flexural modulus, and flexural strain of plastic materials, helping to ensure product performance, safety, and quality.
Validated data regarding repeatable ranges, reproducibility limits, and acceptable margins of error between different laboratory technicians.