Thermodynamics of Amide + Amine Mixtures. 2. Volumetric, Speed of Sound and Refractive Index Data for N,N-Dimethylacetamide +N-Propylpropan-1-Amine, +N-Butylbutan-1-Amine, +Butan-1-Amine, or +Hexan-1-Amine Systems at Several Temperatures https://arxiv.org/abs/2409.07474 #physicschemph