Coulometric determination of dissolved oxygen in water.
The oxygen content of air-saturated distilled water has been determined at between 10 and 40 degrees by using a controlled-potential coulometric method based on an earlier published method for the iodometric determination of nitrite. The maximum error for the determinations was +/- 0.3% over the whole range, and the time of analysis about 3 min. An equation is given for the solubility in the measured range, and some thermodynamic functions are calculated.
Karlsson
R
R
Department of Analytical Chemistry Chemical Center University of Lund. S-220 07 Lund 7, Sweden.
Torstensson
L G
LG