Abstract
It was previously shown that the evaporation of the salt solution prepared in water with a positive electric potential, accompanied by the formation of cubic or rhombic crystals, and evaporation of the salt solution prepared in water with a negative electrical potential is accompanied by formation of needle-like crystals. It was also shown that the shape of salt crystals depends on the sign of the electric charge of the surface on which salt crystals are formed. It has been particularly shown that cubic or rhombic crystals formed on positively charged surfaces, while the needle-like crystals are formed on negatively charged surfaces. Knowing these dependencies is very productive, because it gives you an opportunity to establish a number of phenomena occurring in animate and inanimate nature. In order to popularize this idea, we propose the results obtained through its implementation. So, the knowledge of these dependencies allows us to explain the processes occurring in the storm glass during the weather change, as well as the formation of snowflakes in the clouds.
Highlights
It was previously established that the shape of the crystals formed after evaporation of salt solutions depends on the sign of the electric potential of the water used for preparing such solutions
It has been shown that the evaporation of salt solutions with positive electric potential is accompanied by the formation of cubic crystals (Figure 1, left) and the evaporation of salt solutions with negative electric potential is accompanied by the formation of needlelike crystals (Figure 1, right) [1, 2]
By varying the electrical potential of the water used for preparation of salt solutions and using different surfaces, it is possible to obtain crystals of different shapes
Summary
It was previously established that the shape of the crystals formed after evaporation of salt solutions depends on the sign of the electric potential of the water used for preparing such solutions. It has been shown that cubic or rhombic crystals formed on positively charged surfaces (Figure 2, left), while the needle-like crystals are formed on negatively charged surfaces (Figure 2, right) [1]. This correlation has been very productive for the explanation of certain phenomena, the nature of which remained unclear for a long time. This correlation was previously used successfully to explain the nature of the polymorphism of crystals, underlying one of the methods of medical diagnosis [1]. It is shown how such correlation can be used to explain the formation of snowflakes
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