An improved method for the determination of dissolved oxygen in water

The determination of dissolved oxygen by Thresh's method may lead to discordant results because of the loss of iodine, which is carried away by the gas passed through the apparatus during the titration. A modified method is described, which eliminates the above error and obviates the necessity...

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Bibliographic Details
Published in:The Journal of agricultural science 1927-10, Vol.17 (4), p.468-476
Main Author: Subrahmanyan, V.
Format: Article
Language:English
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Summary:The determination of dissolved oxygen by Thresh's method may lead to discordant results because of the loss of iodine, which is carried away by the gas passed through the apparatus during the titration. A modified method is described, which eliminates the above error and obviates the necessity for making separate determinations of the dissolved oxygen of the reagents used. Correction for the nitrites present in the water can be made by making separate determination by the Griess-Ilosway colorimetric method.
ISSN:0021-8596
1469-5146
DOI:10.1017/S0021859600018761