The effect of ionic strength and buffer choice on the decomposition of tetrathionate in alkaline solutions

Hydrometallurgy

Volumn 72, Issue 3-4, 2004, Pages 335-338

  Breuer, P L ^a   Jeffrey, M I ^a  

^a MONASH UNIVERSITY   (Australia)

Author keywords

Alkaline decomposition; Kinetics; Tetrathionate

Indexed keywords

IONIC STRENGTH; LEACHING; PH EFFECTS; POSITIVE IONS; SOLUTIONS; SULFUR COMPOUNDS; THERMAL EFFECTS;

ALKALINE DECOMPOSITION; BUFFER SOLUTIONS;

DECOMPOSITION;

EID: 1342264323     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2003.07.001     Document Type: Article

References (8)

1. Breuer P.L., Jeffrey M.I. The reduction of copper(II) and the oxidation of thiosulfate and oxysulfur anions in gold leaching solutions. Hydrometallurgy. 70:2003;163-173.
2. Breuer P.L., Jeffrey M.I., Tan E.H.K., Bott A.W. The electrochemical quartz crystal microbalance as a sensor in the gold thiosulfate leaching process. J. Appl. Electrochem. 32(10):2002;1167-1174.
3. Ephraim F. Text Book of Inorganic Chemistry. 1934;497 Gurney and Jackson, London.
4. Laidler K.J. Reaction kinetics. Reactions in Solution. vol. II: 1963;18-22 Pergamon, Oxford.
5. Naito K., Shieh M.-C., Okabe T. Chemical behaviour of low valence sulfur compounds. V. Decomposition and oxidation of tetrathionate in aqueous ammonia solution. Bull. Chem. Soc. Jpn. 43(5):1970;1372-1376.
6. Rolia E., Chakrabarti C.L. Kinetics of decomposition of tetrathionate, trithionate and thiosulphate in alkaline media. Environ. Sci. Technol. 16(12):1982;852-857.
7. Wan R.Y. Importance of solution chemistry for thiosulphate leaching of gold. World Gold '97. 1997;159-162 Australas. Inst. Min. Metall. Melbourne.
8. Zhang H.G., Dreisinger D.B. The kinetics for the decomposition of tetrathionate in alkaline solutions. Hydrometallurgy. 66(1-3):2002;59-65.