New Physicochemical Properties of Water. Experimental Study of Physicochemical Changes in Pure Water by Iterative Flowing Procedure Induced by Peristaltic Pump Apparatus


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Vittorio Elia1, Elena Napoli1, Roberto Germano2, Rosario Oliva1,3, Daniele Naviglio1, Angela Longo4, Mariano Palomba4, Raffaele Vecchione5

1Department of Chemical Science, University “Federico II”, Complesso Universitario di Monte Sant’Angelo, Via Cintia, I-80126 Napoli, Italy. 

2PROMETE S.r.l., CNR Spin off, P. le V. Tecchio, 45, 80125 Napoli, Italy. 

3Physical Chemistry I – Biophysical Chemistry, Faculty of Chemistry and Chemical Biology, TU Dortmund University, Otto-Hahn-Strassen 4a, 44227, Dortmund, Germany.  

4Institute for Polymers, Composites and Biomaterials-National Research Council (IPCB-CNR), SS Napoli/Portici, Piazzale Enrico Fermi, 1, 80055 Portici, Italy.

5Center for Advanced Biomaterials for Health Care (CABHC), Istituto Italiano di Tecnologia, Largo Barsanti e Matteucci 53, 80125 Napoli, Italy

Submitted:  November 1, 2022
Revised: May 23, 2024
Accepted: August 2, 2024
Published: December 30, 2024

DOI: 10.14294/WATER.2024.2

 

Abstract

Water is the most studied substance in the world, but its properties still amaze us. This work reports the experimental results of electrical conductivity measurements, χ (µScm-1) and pH of bidistilled water subjected to the forced movement induced by a peristaltic pump. The results of this physical perturbation, unforeseeable until today, are extremely significant: Increases in electrical conductivity χ of 100-150 (µScm-1) and variations of pH values from 5.6 to 8.2 were observed. The variations in these two physicochemical parameters were measured after a few hours of water flow obtained through a peristaltic pump that removed the liquid and then returned it to the same container. With this configuration, we obtained an iterative procedure (IPW-MW: Iteratively Perturbed Water-Moving Water). The rate of the phenomenology depends substantially on the volume of treated water.  The lower the volume of water, the shorter the time needed to measure a stationary state. In fact, after a first rapid growth of the χ value, the system reaches a plateau. The value of the conductivity of the plateau is, unexpectedly, a function of the volume of bidistilled water treated. The same phenomenon was observed for pH as well. 

These results indicate the discovery of a new phenomenology: “the volume effect.” Many other techniques and measurements were carried out to support this discovery, including:

1) Optical microscopy, identifying the presence of polymers of micrometric dimensions. 

2) Lyophilization of perturbed bidistilled water, producing a soft white solid. 

3) Thermogravimetric Analysis (TGA) of this solid, showing a very high thermal stability of an important fraction of it (50%), up to almost 1000°C. 

4) Fluorescence spectra, clearly showing the presence of new chemical bonds that are not present in pure water. 

5) IR (infrared) spectrum, confirming the presence of new compounds that appear as a consequence of the peristaltic procedure we used. 

6) ICP-MS (Inductively Coupled Plasma Mass Spectrometry) measurements, not finding impurities to explain the extraordinary new properties of the perturbed water.

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