Abstract
The direct injection enthalpimetry was applied to the determination of sulphides, thiourea, dithiocarbamates, dithizone and benzothiazole by means of catalytic iodine-azide reaction in non-aqueous media. The determined compounds are injected into the iodine-azide solution in dimethylformamide, dimethylsulphoxide, formamide and into the mixture of these solvents. The catalytic reaction takes place immediately on injection of the samples and terminates within 2 min. The rise in temperature is monitored with a thermistor in a Wheatstone bridge circuit and the curve resistance change-time was the basis for the calculation of investigated concentration of sulphur catalysts.
Similar content being viewed by others
References
R. Feys, J. Devynck, B. Tremillon,Talanta 1975,22, 17.
G. A. Vaughan, J. J. Swithenbank,Analyst 1965,90, 594.
S. Pantel, H. Weisz,Anal. Chim. Acta 1974,68, 311.
E. J. Greenhow, L. E. Spencer,Analyst 1975,100, 747.
J. K. Grime,Anal. Chim. Acta 1980,118, 191.
L. S. Bark, O. Ladipo,Analyst 1976,101, 203.
N. Kiba, M. Nishijima, M. Furusawa,Talanta 1980,27, 1090.
N. Kiba, T. Suto, M. Furusawa,Talanta 1981,28, 115.
H. Weisz, W. Meiners, G. Fritz,Anal. Chim. Acta 1979,107, 301.
J. Jordan,Instrumental Analysis of Sulphur Compounds in Coal Process Streams, FE 2710-1 et seq., U.S. Dept. of Energy, 1978.
LKB 8700-1,Precision Calorimetry System-Instruction Manual, Stockholm-Bromma 1, 1976.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Puacz, W. Catalytic-enthalpimetric determination of sulphur(II) compounds in non-aqueous Media. Mikrochim Acta 90, 141–149 (1986). https://doi.org/10.1007/BF01364296
Received:
Revised:
Issue Date:
DOI: https://doi.org/10.1007/BF01364296