Asset Details
Do you wish to reserve the book?
Sensing of chemical oxygen demand (COD) by amperometric detection—dependence of current signal on concentration and type of organic species
Hey, we have placed the reservation for you!
By the way, why not check out events that you can attend while you pick your title.
Oops! Something went wrong.
Looks like we were not able to place the reservation. Kindly try again later.
Are you sure you want to remove the book from the shelf?
Sensing of chemical oxygen demand (COD) by amperometric detection—dependence of current signal on concentration and type of organic species
Do you wish to request the book?
Sensing of chemical oxygen demand (COD) by amperometric detection—dependence of current signal on concentration and type of organic species
Please be aware that the book you have requested cannot be checked out. If you would like to checkout this book, you can reserve another copy
We have requested the book for you!
Your request is successful and it will be processed during the Library working hours. Please check the status of your request in My Requests.
Oops! Something went wrong.
Looks like we were not able to place your request. Kindly try again later.
Journal Article
Sensing of chemical oxygen demand (COD) by amperometric detection—dependence of current signal on concentration and type of organic species
2023
Overview
The standard method to determine chemical oxygen demand (COD) with K
2
Cr
2
O
6
uses harmful chemicals, has a long analysis time, and cannot be used for on-site online monitoring. It is therefore necessary to find a fast, cheap, and harmless alternative. The amperometric determination of COD on boron-doped diamond (BDD) electrodes is a promising approach. However, to be a suitable alternative, the electrochemical method must at least be able to determine the COD of water samples independently of the contained substances. Therefore, the current signal as a function of various organic materials was investigated for the first time. It was shown that the height of the signal current depended on the type of organic matter in single-substance solutions and that this substance dependency increases with the amount of COD. Those findings could be explained by the mechanism proposed for this reaction, showing that the selectivity of the reaction depends on the ratio of the concentration of hydroxyl radicals and organic species. We give an outlook on how to improve the method in order to increase the linear working range and avoid signal variance and how to further explain the signal variance.
Publisher
Springer International Publishing,Springer Nature B.V
