What substances are most easily purified? Some may think of them as gases, but the fact that different gases are so easy to mix or fuse with each other makes it even more difficult to get rid of other gas molecules or atoms than it is to get rid of stubborn impurities in solids.

If we analyze it from the aspect of operability, solid impurities are indeed the easiest to eliminate, even if the force between solid molecules or atoms is far stronger than that of other forms, and the force required to eliminate impurities needs to be beaten, but in terms of force, it is also the easiest.

However, there are many difficulties in purifying solids by removing impurities. First of all, if the purified object is "too large", the energy consumed will be particularly huge when removing impurity molecules or atoms. Another difficulty is the inability to visually and precisely distinguish impurities from molecules that need to be retained.

Compared with gases or liquids or even plasma states, the "transparency" of solids is not high, even if an astrologist with strong spiritual power can judge and distinguish different substances by means of mental perception, however, because the astrologist's own mental perception is "dynamic", that is to say, it is impossible to stably ensure that each impurity molecule or atom can be distinguished, so that the final substance cannot be guaranteed to be absolutely pure. It's like the twelve high-level astromagicians now, who have worked hard for more than fifty days, and it seems that each of them has purified a piece of pure metal, large or small, but they can't guarantee that their works are really absolutely pure, at most they can only be described as infinitely close to pure things.

Then the purified gaseous and solid substances have their own disadvantages, and they are two extreme disadvantages, so take the middle value...... That is, a liquid state between gaseous and solid.

Because the molten metal is extremely viscous and does not have any transparency, it is naturally not suitable for purifying absolutely pure substances. Moreover, since it is used to verify whether absolutely pure substances have special energy fields, it is not necessary to have practical properties, so it is natural to choose an easier liquid to test.

And the astrologist who put forward his own point of view conceived of the substance of water...... Although the purest water is a compound rather than an element, as long as it can be absolutely pure, it must have special properties, right?

Speaking of which, purifying water seems to be particularly easy, after all, whether it is by gasification and condensation, or by pure removal of impurities, impurities in the water can be removed...... Solid impurities melted in the water will be precipitated because the water is evaporated, that is to say, the water vapor is absolutely pure, as long as the condensation process is ensured, no other impurities are contaminated, and the final liquid water collected should theoretically be absolutely pure.

If other liquids are incorporated into the water, the non-aqueous substances can also be separated by using the principle that different liquids have different boiling points, and finally absolutely pure water can be obtained.

It's just that this kind of thinking is only thought of by ordinary astrologers who don't know much about matter, and if they are materials experts such as Bai Xing, or even middle school students who are good at physical chemistry, they will not think so.

Because, even such a simple substance as water is distinguished by it. For example, heavy water, light water, and ordinary water. Similarly, the molecular weight of heavy water, that is, the atomic composition of it, is very different from that of light water and ordinary water...... Although deuterium and tritium are both hydrogen atoms, the number of neutrons in the nucleus of the three isotopes is different.

Therefore, ordinary water cannot be completely composed of ordinary water, but is composed of these three different "waters". In this way, in a broad sense, if there are no other impurities in such water, it does belong to the category of pure substances. However, in a narrow sense, whether such a pure substance can have the energy field that should be in the conjecture of absolute pure matter is something that no one can be sure of.

Although there are some differences in the boiling points of heavy water, light water and ordinary water, at least in Xin Yu's previous life, many instruments can refine heavy water. However, in this world, because the experimental instruments have not yet been sophisticated to that extent, and the temperature control cannot be as fine as a few tenths of a degree, it is naturally not so easy to refine absolutely pure water of the same molecular weight.

So, don't look at these astromagicians are very smart, it seems that they can go from being a layman to being able to design a set of test plans on their own in a short period of time, which is very powerful. But in fact, they are also the kind of level that is taken for granted, half a bucket of water swaying. Because, if the conditions do not permit, no matter how beautiful their ideas are, they may not be able to do it.

Of course, this can't be said too absolutely, because after all, astromagicians have more strange abilities than ordinary people, and it is not a particularly strange thing to be able to control the temperature during experiments...... In this way, it is not necessarily impossible to get pure water in the end.

First, the water used for the test is purified to the purest point by boiling and sublimation, and then the condensed pure water is slowly heated again to achieve the purpose of separating other liquid impurities. In this way, the water obtained can already be guaranteed to be relatively pure.

Then repeat these steps many times, and the final liquid is not absolutely pure, but it can already ensure that there are a lot less impurities.

When these astrologists found that the water had been processed to the point where they were almost unable to perceive other impurities with their spiritual power, they used their spiritual power again to control the slow change in the temperature of the flame, in order to distinguish between heavy water and light water and ordinary water...... In this regard, because of the technical constraints of the maritime states, they can only make a general distinction.

Then, they take these bodies of water, which have become infinitely close to pure purity, into space...... Because in space, you can use your spiritual abilities to create a large absolutely dust-free space, and the time for the water body to remain pure will become longer.

In addition, in space, because the temperature is constantly lower, the water will condense into solid ice, and the ice itself is relatively transparent, so it is easier for the spiritual power of the astrologist to detect other impurities in it...... As for the three kinds of water composed of three different isotopes of hydrogen, not to mention an astrologist who is only rudimentary to matter, even a material expert with many years of research experience like Bai Baixing cannot judge it. Kindness...... It should be said that if Bai Xing had the spiritual power perception ability of a high-level star magician, it would be impossible to distinguish between these three types of water.

Because, the difference between the three isotopes of hydrogen, i.e., deuterium tritium, is only whether there are neutrons in the nucleus or not, and how many neutrons there are. Astromagicians, who can't accurately perceive even smaller molecules, can't go deep into the sub-nanometer level to perceive what's going on inside the nucleus.

In this way, it is naturally even more impossible for these astrologists who rely on their spiritual power to perceive and probe different substances to have the ability to distinguish between heavy water and light water and ordinary water.

After knowing that there was so much to say about simple water, these twelve high-level astrosorcerers all wanted to give up making absolute purity for a while...... After all, there are three isotopes of hydrogen, so what about the other substances? Are there no isotopes? In this way, they can still get absolutely pure substances?

Fortunately, the reality still gives them hope, probably because they obtain experimental raw materials, that is, they are more "picky" in the selection of water locations, not to mention that there is only one kind of water in the water body after preliminary treatment, but the content of other heavy and light water is relatively small.

In the process of further purifying the experimental water body with their spiritual power, they were lucky enough to get an absolutely pure ...... Ice. Although the ice that was finally divided was only the size of a grain of rice, this cube of ice the size of a grain of rice showed an ability beyond imagination.

Specifically, this ice cube the size of a grain of rice is absolutely pure, so its properties are very different from ordinary water or ice. One of the most important points is that when these sorcerer slaves were lucky enough to cut off the absolutely pure part of the ice cube in the corner, the ice cube immediately began to absorb all kinds of free energy in space at a temperature close to absolute zero.

Then, this small piece of ice, which is only the size of a grain of rice, probably because it absorbs enough energy, finally melts in violation of the objective law in the temperature environment below the freezing point, and turns into a round pure water drop under an extremely weak position.

The crystal clear water droplets are very beautiful, but in the eyes of the twelve star sorcerer slaves, the most beautiful thing is not the colorless and transparent water beads like brilliant gems, but the energy absorption properties of the water beads themselves.

As time passes, the water droplets continue to absorb energy to close to saturation, and then suddenly reach the "boiling point", and continue to heat up and expand into a colorless and transparent water vapor without any external heat source.

The water vapor mass in space does not absorb any more energy, but this water vapor mass, which will definitely be ignored by anyone if you don't pay attention, shows a "dazzling" brilliance.

It's not that the water vapor mass becomes brighter, but the energy contained in it, although the volume of the water vapor mass after expansion is only the size of a basketball, but in the process of swallowing up the energy traveled in space, it shows an absolutely "powerful" meaning.

If Xin Yu was on the scene, he would definitely jump in surprise. It's not that this water body can automatically exchange energy with the outside world in the space environment, but that if you perceive this water vapor mass in a more microscopic way, you can find that the water vapor mass itself is like a huge array of molecules and atoms inside...... That is to say, this water vapor mass itself has been separated from the category of ordinary matter, and has initially reached the level of heaven and earth.

It's just that such a small mass of water vapor contains energy equivalent to that of a Sky Breaker Star Sorcerer...... In other words, in fact, the adaptability of this water vapor mass to the laws is indeed very convenient for absorbing various laws "from local materials".

If Xin Yu knew about this situation, no matter whether or not these twelve astral sorcerer slaves could develop usable materials similar to the Heavenly Treasures when he went out again, he would not blame them. After all, one that can absorb the law...... That is, materials that have a natural affinity for all laws...... That is, absolutely pure water, which is by no means of great reference value for Xin Yu.

Although the basis of using this water vapor mass as a material is not enough, it is impossible to create any Star Treasure embryos, and it is naturally impossible for them to be used by astrologers to visualize and materialize into Star Treasures, but this feature can make Xin Yu understand the law better...... In other words, they can better understand how to structure the genetic arrangement in their own cells, and how to adjust their mental power in more appropriate ways.

However, although the results of the experiment showed that Bai Xing's original idea was absolutely correct...... That is, the idea that absolutely pure substances can indeed be used to replace the treasures of heaven and earth. In this way, as long as these astral magicians can purify all kinds of substances, they will naturally be able to successfully complete the tasks assigned by Xin Yu...... At least a large part of it is done.

However, the difficulty is how to ensure that the finished product that you refine is an absolutely pure substance, because the results of water tests show that absolutely pure substances do have an internal energy field...... In fact, figuratively speaking, it is the ability to naturally affinity with various laws, as if it has a special formation inside.

This also proves from the side that the materials that the twelve of them had refined for more than fifty days at the beginning had not reached the point of absolute purity at all. This also shows that they have not completed Xin Yu's task at all...... They didn't know how valuable the absolutely pure water vapor mass in front of them was to Xin Yu. I thought that as long as they failed to complete Xin Yu's task, they would definitely be punished.

Naturally, because they didn't achieve the final success, and they didn't know what they had achieved so far, they had actually satisfied Xin Yu. But the pressure of not completing the task made these twelve sorcerers feel preoccupied...... After all, they had tried their best, but they still couldn't purify the absolutely pure substance, and there was nothing to think about now.

To say that the luck of these sorcerer slaves is not too bad, even when they feel powerless, they unexpectedly obtain a small piece of absolutely pure substance...... Although they didn't purify it themselves, but picked it up in the starry sky, it made them ecstatic