A transportable microprocessor‐controlled precise Winkler titration suitable for field station and shipboard use1

Abstract

An automatic Winkler titration based on a photometric end‐point detector is described. The titration is controlled by a system based on a RCA 1800 series microprocessor. It takes about 3–4 min and in normal use has a coefficient of variation in the range 0.03–0.1%. The system is transportable and has been used at sea.