Abstract
A magnetic float densimeter that can be used to measure the density of dilute aqueous solutions in a range of ± 2x10-6 g/cm3 is described. The developed equipment includes modifications to previous proposed designs and its main features are its precision and easiness of operation.
Keywords
References
Franks, F. & Smith, T. H. 1967. Apparent Molal Volumes and Expansibilities of Electrolytes in Dilute Aqueous Solutions. Trans. Faraday. Soc. 63:2586.
Pinzón, J. A. & Blanco, L. H. 1983. Construcción de un Densímetro Oparado Magnéticamente. Rev. Col. Quim. 12:31.
Weissberger, A. Ed. 1972. Techniques of Chemistry 1(4): Wiley- Interscience, New York. 57-124.
Riddick, J. A. & Bunger, W. B. 1970. Techniques of Chemistry 2: Wiley- Interscience, New York. 66-69.
Lamb, A. B. & Lee, R. E. 1913. The densities of certain dilute Aqueous Solutions by a New and Precise Method. J. Am. Chem. Soc. 35: 1668.
Richards, A. R. 1942. An Electromagnetic Densitometer. Ind. Eng. Chem. Anal. Ed. 14:595.
Millero, F.J. 1967. High Precision Magnetic Float Densimeter. The Review of Scientific Instruments. 38:1441.
Masterton, W.L.& Seiler, H.K. 1968. Apparent and Partial Molal Volumes of Water in Organic Solvents. J. Phys. Chem. 72:4257.
Hall, N. F. & Jones, T. O. 1936. A redetermination of the Protium- Deuterium Ratio in Water. J. Am. Chem. Soc. 58:1915.
Cartan, F.; Anacker, E. W. 1960. Density Measurements with a Magnetically Controlled Float. J. Chem. Ed. 37:36.
Burns, J. A. & Verrall, R. E. 1974. Thermodynamics of Bolaform Electrolytes. J. Sol. Chem. 3:289.
MacInnes, D. A. & Dayhoff. M. O. 1952. The partial Molal Volumes Of Potassium Chloride, Potassium and Sodium Iodides and Iodine in Aqueous Solutions at 25°C. J. Am. Chem. Soc. 74:1017.
Jones, G. & Talley, S. 1933. The viscosities of Aqueous Solutions as a Function of the Concentration. J. Am. Chem. Soc. 55:624.
![Creative Commons License](http://i.creativecommons.org/l/by-nc-nd/4.0/88x31.png)
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Copyright (c) 2024 Revista de la Academia Colombiana de Ciencias Exactas, Físicas y Naturales