Change the hydrogen factor of water, as a result of phase turning the first sort.

Dmitry M. Kuznetsov, Vladimir L. Gaponov, Irina A. Luganskaya, Victoria V. Aliluykina

Novocherkassk Reclamation Engineering Institute named affer A. K. Kortunova FGBOU VPO "Don" State Agrarion University

The characteristic so named melting water is dedicated to it is enough much publications in scientifically-popular literature and relatively little especially scientific [1].

At destruction gipsogonalny structures, the crystalline structure ice and as a result of phase

turning the first sort is seldom changed structure material. The crystalline structure ice decays quicker, than reforms in firm balance condition, formed from it net stable, melting water. Unikalinosti phase transition ice-water is concluded in that ice and water consist of one molecules (Н₂О), but in ice they balance, but in water no. In melting water concentration ion of the hydrogen and hydroxyl certain time save in not balance and such, what it was in ice. Then in a curtain time concentration ion in water takes its usual balance importance. As of [2,3] concentrations ion H⁺ and ОН^- in ice forms 1,4-5,0*10^-10 mol/l, but in water balance concentration under 0°С - 0,35*10^-7 mol/l, i.e. on three orders more.

Reaction dissociation the water:

Н₂О⇆ H⁺ + ОН^-

Requires the significant expenses, energy and runs much slowly. The constant to velocities to this reactions forms whole 2,5*10^-10 с^-1 about 20°С. So period to relaxations of melting water before balance of the condition theoretically must be is several hours. However speakers of the change to concentrations ion H⁺ does not happen to.

In connection with above stated by purpose persisting work was shown study, change the hydrogen factor of melting water at time, as well as determination of the influence of this factor on the characteristic of water. The measurement to concentrations ion H⁺ was realized by means of рН- metre АТТ-3507, but study characteristic melting water was conducted by studies of the phenomena to acoustic emission under flowing homogeneous chemical reaction in fluid ambience [4].

It is installed that concentration proton in melting water and purely distilled water noticeably differ. And if in the course of time hydrogen factor рН purely distilled water practically remained unchangeable, that characteristic of melting water, first, differ from characteristic usual distilled, but, secondly, greatly change at time (fig.1). As far as axis of the abscissas is shown by logarithmic scale, that becomes obvious that kinetics of these change different. Observation after change exceed the level to inaccuracy (±0,03 рН) and are reliable. In conducted experiment not to manage to define the time domain, under which hydrogen factor рН of melting water amount with factor of simple distilled water though this follows to expect in view of that melting water also is distilled water. From presented graphics is seen that such interval exceeds the level several groups of ten hours.

Similar change were fixed and for distilled water, containing10 and 20% weighting amount melting water (fig.2). On presented fig.2 are shown initial stage of the change the hydrogen factor mixture, containing 90% distilled water and 10% melting water at observation concurrence first five hours after mix.

The fact not balance conditions of melting water is confirmed by direct measurements of the move chemical reaction different reagent in usual distilled water and melting water. The measurements were conducted by means of acoustics-emission complex A-line 32D and teplovision equipments. As object of the study well studied reaction solvatation by concentrated chamois of the acid in water. Established that in the case of solvatation by concentrated chamois of the acid in melting water, amount inductionialy acoustic signal increases in a hundreds once. The growing to acoustic emission to homogeneous chemical reaction of the dissolution reflects exotermition nature of the process as a whole. It is known that most idle time way experimental determination enthalpy solvatation consists in direct measurement of the heat effect of the dissolution. In this instance at dissolution by chamois of the acid in water measurement heat effect was conducted with use teplovision SAT HOTFIND.

Fig.3 Thermogramma process solvatation by concentrated chamois of the acid in usual distilled water and melting water.

On the fig.3 are presented teplovision of the scene to capacities with solution by chamois of the acid. It is seen that in the case of dissolution by chamois of the acid in melting water exotermic nature of the process is expressed vastly more brightly. The separation to heat energy at solvatation brings about change of density of the solution that in turn causes the generation of the waves to bounce of the material of the ambience – an acoustic emission.

The findings.

After study of the hydrogen factor of distilled water and melting water is installed that after appearance ice melting water certain time is found in not balance condition that is reflected on its characteristic, shown in particular idle time solvatation.

Literature.

1. D.M.Kuznecov, A.N.Smirnov, A.V.Seroeshkin Acoustic emission under phase conversisons in water ambience// Rus.chemic.g., 2008, t LII, №1, P.114-121.

2 Zacepina G.N. Characteristic and structure water/ M, MGU, 1974. - 168 p.

3. Eizenberg D., Kaucman V. Structure and characteristic water/ L., Gidrometeoizdat, 1975.- 280 p.