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
Key Takeaway: If your sample is black or very dark brown, do not try D974. You need ASTM D2074.
: By using selective reagents (like salicylaldehyde to block primary amines), the method can isolate and calculate the specific value for each amine type [1, 4]. Applications astm d2074 pdf
The ASTM D2074 PDF is a widely used standard test method for determining the flexural properties of plastics. Published by the American Society for Testing and Materials (ASTM), this standard provides a comprehensive framework for evaluating the flexural strength, flexural modulus, and other related properties of plastic materials.
Using the official astm d2074 pdf ensures that your lab follows a globally recognized, repeatable, and accurate procedure, allowing for apples-to-apples comparisons with suppliers and customers worldwide. You need ASTM D2074
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