Astm D2074 Pdf High Quality 【2026 Update】

The sample is dissolved in a suitable solvent (like isopropyl alcohol) and titrated directly with the acid solution using the bromphenol blue indicator.

ASTM D2074-07(2019) is a standard test method titled Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method . It provides a standardized, indicator-based titration procedure to determine the concentration of specific amine groups in fatty amine samples. astm d2074 pdf

Using the official ensures that your lab follows a globally recognized, repeatable, and accurate procedure, allowing for apples-to-apples comparisons with suppliers and customers worldwide. The sample is dissolved in a suitable solvent

Conduct all operations involving salicylaldehyde, acetic anhydride, chloroform, or toluene inside a certified laboratory chemical fume hood. Using the official ensures that your lab follows

The ASTM D2074 document outlines several pathways to achieve accurate titration, primarily focusing on alternative indicators and potentiometric setups to handle different sample matrices. 1. Total Amine Value

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Acetic anhydride reacts with both primary and secondary amines to form neutral amides. This leaves only the tertiary amines active, allowing direct titration of the tertiary amine value.