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OSIL's range of high precision standards are available for the laboratory determination of dissolved oxygen in seawaters. The standards comprise 0.01 Normal Potassium Iodate solutions, which are used to standardise the thiosulphate solution in the widely used Winkler titration method.
Iodate standards are supplied in packs of 5 x 100 ml and 10 x 100 ml in brown glass bottles for shipping worldwide.
View our Seawater Standards Brochure for further details on all the standards available from OSIL.
Atlantic Seawater Conductivity Standard
Performance Evaluation Samples
Low Nutrient Seawater