ASTM D2074 provides a standardized procedure for analyzing the chemical composition of fatty amines. Unlike some other methods that rely on complex instrumentation, D2074 focuses on titration techniques using specific indicators to identify the concentration of different amine types.
: Covers fatty amines but is not applicable to fatty amidoamines or fatty diamines.
: A weighed sample of fatty amine is dissolved in a solvent mixture (often isopropyl alcohol and chloroform). Bromphenol blue indicator is added, and the solution is titrated with standardized HCl until a color change indicates the endpoint. The volume of HCl consumed is used to calculate the total amine value (mg KOH equivalent per gram of sample).
: Unlike some other standards that use potentiometric titration, D2074 utilizes color-change indicators astm d2074 pdf
Dark oils leave residue on glass electrodes. The standard specifies rigorous cleaning procedures (typically using chromic acid or specialized detergents) between tests.
It includes standard warnings for handling flammable solvents and corrosive acids used during the procedure.
Verified and indexed versions of the document are hosted by industrial research databases, such as NBS Source . Optimizing Your Lab for ASTM D2074 Testing ASTM D2074 provides a standardized procedure for analyzing
is the standard test method for the "Determination of Total Base Number (TBN) of Dark Oils by Potentiometric Hydrochloric Acid Titration." It was developed by ASTM International’s Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants.
The standard provides test methods for determining the total, primary, secondary, and tertiary amine values of fatty amines using an alternative indicator method . It is a critical reference for quality control and chemical analysis in industries working with organic nitrogen compounds. Core Details of ASTM D2074
The ASTM International website offers the PDF for approximately $64.00 - $77.00 . : A weighed sample of fatty amine is
Tertiary amines frequently serve as catalysts in the production of polyurethane foams. Their specific amine values dictate the reaction rate and the physical properties of the resulting foam. Sourcing the Official ASTM D2074 PDF
Standard Test Methods for Total, Primary, Secondary, and Tertiary Amine Values of Fatty Amines by Alternative Indicator Method.
The method utilizes indicator-based titration rather than potentiometric titration, making it a straightforward approach for many laboratory settings.
(using a pH meter). D2074 is often preferred in labs where automated titration equipment is unavailable or where a visual check is sufficient for the specific grade of amine being tested [1, 3]. or compare it further with the potentiometric method
is a standard test method specifically designed to determine the amine values of fatty amines. It provides a chemical analysis procedure to quantify the total, primary, secondary, and tertiary amine content using an alternative indicator method . Scope and Application