Electrical conductivity of concentrated H2TiF6 + HF + H2O mixtures

Journal of Chemical and Engineering Data

Volumn 48, Issue 1, 2003, Pages 81-85

  Usobiaga, Aresatz ^a   De Diego, Alberto ^a   Madariaga, Juan M ^a  

^a UNIVERSITY OF THE BASQUE COUNTRY UPV EHU   (Spain)

Author keywords

[No Author keywords available]

Indexed keywords

MASS FRACTIONS;

ELECTRIC CONDUCTIVITY; MATHEMATICAL MODELS; POLYNOMIALS; THERMAL EFFECTS; TITANIUM COMPOUNDS;

MIXTURES;

EID: 0037237070     PISSN: 00219568     EISSN: None     Source Type: Journal    
DOI: 10.1021/je025558w     Document Type: Article

References (32)

1. Othmer, D. F.; Kirk, R. E. Encyclopedia of Chemical Technology, 4th ed.; John Wiley & Sons: New York, 1991; Vol. 9.
2. Shaw, R.; Light, T. S. On-line analysis of oleum using electrodeless conductivity technique. ISA Trans. 1982, 21, 63-70.
3. Stock, J. T. Two Centuries of Quantitative Electrolytic Conductivity. Anal. Chem. 1984, 56, 560A-570A.
4. Lobo, V. M. M. Handbook of Electrolyte Solutions; Elsevier: Amsterdam, 1989.
5. Relis, M. J. Ph.D. Thesis, Massachusetts Institute of Technology, Massachusetts, 1947.
6. Relis, M. J. U.S. Patent 2,542,057, 1951.
7. Light, T. S.; McHale, E. J.; Fletcher, K. S. Electrodeless conductivity. Talanta 1989, 36, 235-241.
8. Horvath, A. L. Handbook of Electrolyte Solutions: Physical Properties, Estimation and Correlation Methods; Ellis Horwood Limited: Chichester, 1985.
9. Casteel, J. F.; Amis, E. S. Specific Conductance of Concentrated Solutions of Magnesium Salts in Water-Ethanol System. J. Chem. Eng. Data 1972, 17, 55-59.
10. 2O as a function of temperature up to high molal ionic strengths. Fluid Phase Eq. 1993, 88, 263-275.
11. de Diego, A.; Madariaga, J. M.; Chapela, E. Effect of Additional Hydrofluoric Acid on the Conductivity of Concentrated Fluorosilicic Acid Aqueous Solutions. J. Chem. Eng. Data 1997, 42, 209-213.
12. Barthel, J.; Gores, H. J. Data on transport properties of electrolyte solutions for applied research and technology. Pure Appl. Chem. 1985, 57, 1071-1082.
13. Fonseca, J. L. Master Thesis, University of the Basque Country, Bilbao, Spain, 1989.
14. Sherrod, P. H. NLREG, Non-Linear Regression Analysis Program; Nashville, 1995.
15. Excel spreadhsheet, Microsoft Corp., http://microsoft.com/office; 1999.
16. Wolfram, S. The Mathematica Book; Wolfram Media: Cambridge, 1999.
17. MathWorks, Inc., http://www.mathwork.com; 2000.
18. de Diego, A.; Cazallas, R.; Etxeberria, N.; Madariaga, J. M.; Fernández, L. A. Automatic System Based on "Electrodeless Conductivity" Technique. Quim. Anal. 1994, 13, 36-41.
19. Cazallas, R.; Fernández, L. A.; de Diego, A. Automated conductometry: robotic station for analytical titrations. Anal. Chim. Acta 1995, 317, 127-136.
20. Cazallas, R. Ph.D. Thesis, University of the Basque Country, Bilbao, Spain, 1997.
21. De Diego, A.; Madariaga, J. M.; Chapela, E. Conductivity of Concentrated Aqueous Solutions of Several Fluorine-Containing Electrolytes in a Wide Range of Concentrations and Temperatures. J. Chem. Eng. Data 1997, 42, 202-208.
22. Usobiaga, A.; de Diego, A.; Madariaga, J. M. Electrical Conductivity of Concentrated Aqueous Mixtures of HCl and KCl in a Wide Range of Compositions and Temperatures. J. Chem. Eng. Data 2000, 45, 23-28.
23. de Diego, A. Ph.D. Thesis, University of the Basque Country, Bilbao, Spain, 1996.
24. de Diego, A.; Madariaga, J. M. Methodology for the Calibration of the Measurement of High Conductivities. Elhuyar 1996, 22, 17-23.
25. Haase, R.; Sauermann, P.-F.; Dücker, K.-H. Conductivities of Concentrated Electrolyte Solutions. IV. Halogenated Acids. Z. Phys. Chem. Neue Folge 1965, 47, 224-45.
26. DDF, Derivados del Fluor, S. A., Quality Department, Analysis of fluorotitanic acid, Document No. MA-038, 1995.
27. 2, T) data of electrolyte solutions by nonlinear regression analysis using Mathematica software. Comput. Chem. 2002, 26, 253-264.
28. Broderik, S. J. Conductivity of hydrofluoric acid solutions and the effect of the impurities, sulfurous and hydrofluosilicic acids. J. Chem. Eng. Data 1962, 7, 55-57.
29. Cairns, E. J. Some physicochemical properties of aqueous fluoride-and caesium-containing electrolytes. Electrochem. Technol. 1967, 5, 8-12.
30. Gans, P. Data Fitting in the Chemical Sciences; Wiley: Chichester, U.K., 1992.
31. Otto, M. Chemometrics: Statistics and Computer Applications in Analytical Chemistry; Wiley-VCH: Weinheim, Germany, 1999.
32. de Diego, A.; Usobiaga, A.; Madariaga, J. M. Application of the electrical conductivity of concentrated electrolyte solutions to industrial process control and design: from experimental measurement towards prediction through modelling. TRAC, Trends Anal. Chem. 2001, 20, 65-78.