Oxidation reduction potentials

Armin K.: Why do you still need to measure the redox potential of the alkaline activated water when you have already determined the pH? The Nernst equation can be used for the conversion?


The redox potential or ORP (oxidation reduction potential) in millivolts with a reference electrode is a measure of the willingness of an aqueous solution to be electron attracting (+ mV) or repelling ( – mV ). Acids attract electrons (oxidize) because of the H + ions , bases because of the OH – ions give up electrons (reduce). The whole thing is an exchange process, which is called a redox reaction. Such redox reactions also take place at the measuring electrode that is either oxidized or reduced, which is then displayed to us as mV value.

Since, in a redox reaction in an aqueous solution acids and bases neutralize, by means of H + and OH- make water, there is also, thanks to the Nernst equation, a calculable relationship between pH values and the redox potential:

ΔΕ = -0,059 V (pH1 – pH2)

Further information: https://en.wikipedia.org/wiki/Nernst_equation

The Russian researchers V. Prilutsky and V. Bakhir have found that the calculated redox potential, according to the Nernst equation, of electrolytically treated water does not coincide with the actual measured during the relaxation time. It is much greater than calculated in the anode chamber and much smaller than calculated in the cathode chamber. (Electrochemically activated water: anomalous properties, mechanism of biological action, Moscow 1997)

This “anomaly” of activated water during the relaxation is actually a very crucial feature, based on its exceptional properties. It is therefore, as the subtitle of my book on electro-activated water indeed states: “An invention of extraordinary potential”. Because of this “anomaly” can the measurement of the redox potential not be spared by arithmetic.

A real anomaly, i.e.: an inexplicable miracle, it is not. The presence of dissolved hydrogen gas and the simultaneous absence of dissolved oxygen gas is the cause of the unusual redox potential in alkaline, and with reverse gas ratios in acidic activated water. As a consumer, of course you do not have to measure, especially since the ORP is not easy.

The activated water’s particularity has long been known and is tested and other peculiarities of the water are not constantly tested, for example whether lakes really always freeze over from above.

Strong negative redox potentials of activated water can also be used for removing rust, as illustrated here using the example of a rusted iron chain that has been inserted 30 minutes into alkaline activated water.

Rusty chain 1Rusty chain 2Rusty chain 3


Excerpt from the book “Karl Heinz Asenbaum: Electrically activated water – An invention with extraordinary potential.”
Copyright 2016 

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About Karl Heinz Asenbaum

The Munich-based journalist has been working on the topic of "alkaline activated water" since 2004. For 12 years he worked closely with the alternative physician Dr. Walter Irlacher, with whom he wrote two successful books: "Service Manual for Humans” (Service Handbuch Mensch) (2006) and "Drink Yourself Alkaline” (Trink Dich basisch) (2008,2011). Since 2014 he has been contributing his knowledge and experience to Aquacentrum and giving lectures worldwide. “Electro-activated Water", the world's most comprehensive book on the subject, was published in 2016. View all faqs by Karl Heinz Asenbaum 

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