English Abstract The possibility to determine the strength of a
sodiumthiosulphate solution (0.1 mol/l) and a potassium bromate-potassium
bromide solution (0.017 mol/l) using an automatic titrator has been
investigated. The equivalence point of the redox titrations has been
visually as well as automatically determined. The redox potential has been
measured using a platinum electrode with a silver/ silverchloride reference
electrode. The results of the automatic titrations of sodiumthiosulphate
solutions do not differ statistically from the results obtained with the
manual titration according to the procedure described in NEN 3103. The
results of the automatic titrations of potassiumbromate-potassiumbromide
solutions do not differ statistically from the results obtained with the
manual titration according to the procedure described in the standard
operating procedure SOP LAC / 006.
