A precisely weighed sample of the dark oil is dissolved in a solvent mixture (typically toluene, isopropyl alcohol, and a small amount of water).
Understanding ASTM D2074: Standard Test Methods for Alternative Molecular Weight Amine Values of Fatty Amines Introduction astm d2074 pdf
Most ISO-certified labs require a direct reference to the current ASTM document during audits. How to Access the Standard A precisely weighed sample of the dark oil
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