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Two-method verification of hydrogen peroxide determinations in natural waters

โœ Scribed by Kieber, Robert J.; Helz, G. R.


Book ID
120347035
Publisher
American Chemical Society
Year
1986
Tongue
English
Weight
538 KB
Volume
58
Category
Article
ISSN
0003-2700

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Winkler's method overestimates dissolved
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In the Winkler's reaction scheme used for the determination of dissolved oxygen in natural waters, hydrogen peroxide reacts with iodide to form tri-iodide ion and leads to an over-estimation in the concentration of oxygen. In pure solutions, the reaction is slow but it is accelerated in the presence