Acoustical studies of some derivatives of 4-amino antipyrene in 1,4-dioxane and dimethylformamide at 318.15 K |
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| Institution: | 1. Therapeutics & Biotechnology Division, Korea Research Institute of Chemical Technology, Yuseong-gu, Daejeon 34114, Republic of Korea;2. Department of Medicinal Chemistry and Pharmacology, KRICT School, University of Science and Technology, Yuseong-gu, Daejeon 34113, Republic of Korea;1. School of Chemistry, Tel Aviv University, Israel;2. Department of Physics and Astronomy, Hunter College of the City University of New York, NY 10065, USA;3. CUNY Graduate Center, New York, NY 10036, USA;4. Department of Earth Science and Engineering, Imperial College London, London, UK;5. Applied Materials Research Center, Tel Aviv University, Tel Aviv 69978, Israel;1. School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore;2. College of Materials and Technology, Nanjing University of Aeronautics and Astronautics, Nanjing 211100, Jiangsu, China;3. Department of Material and Chemical Engineering, Bengbu University, Bengbu, 233030, Anhui, China;4. Singapore Institute of Manufacturing Technology (SIMTech), Kinesis Tower@Fusionopolis Two, 4 Fusionopolis Way, Singapore 138635, Singapore;5. Electronic Materials Research Laboratory, International Center for Dielectric Research, Key Laboratory of the Ministry of Education, School of Electronic & Information Engineering, Xi’an Jiaotong University, Xi’an, 710049, Shaanxi, China;1. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing, 100084, China;2. State Key Laboratory of Marine Resource Utilization in South China Sea, Hainan University, 570 228, PR China;3. School of Materials Science and Engineering, Shanghai Institute of Technology, Shanghai, 201418, China |
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| Abstract: | For three derivatives of 4-amino antipyrene, density, viscosity and ultrasonic velocity are measured at 318.15 K in 1,4-dioxane (DO) and dimethylformamide (DMF). From these experimental data, various acoustical properties such as specific impedance (Z), isentropic compressibility (κs), Rao’s molar sound function (Rm), the van der Waals constant (b), molar compressibility (W), intermolecular free length (Lf), relaxation strength (r), relative association (RA), free volume (Vf), etc. and apparent molar volume and apparent molar compressibility were calculated. The results are interpreted in terms of molecular interactions occurring in the solutions. It is observed that in 1,4-dioxane solutions, solute–solute interactions exist whereas solvent–solute interactions predominant in DMF system. |
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