The value of Mr. Niu's two pieces of Xuande blue and white porcelain should be about 10 million, and five million to buy these two heavy objects, it must be worth the money, but the original owner can't be so stupid, and the tens of millions of things are only worth five million, of course, this is likely to be the original owner does not know the specific value of the Ludao thing, so it is cheaper Mr. Niu.

However, the reputation of Xuande blue and white porcelain is not small, won't the original owner go to the appraisal before mortgaging? Or is he making a reference at the price of a few years ago?

If these two things are genuine, then there is no doubt about it, but these two things have such and such problems, then you have to think about it more.

"Xiao Chu, what do you think?" Guan Guokang turned his head and asked Chu Chen next to him.

"I don't think either of these things are real!" Chu Chen said.

"Teacher Chu, since you think these two things are not true, then there must be a reason!" Mr. Niu stared at Chu Chen tightly and said, this is not tens of thousands, hundreds of thousands, but tens of millions, even if he has a net worth of hundreds of millions, he will feel distressed for a while if he loses tens of millions, so he has to ask clearly no matter what.

In fact, when he just came over, Chu Chen had already used his ability to identify, and there was not even a little spiritual energy in the two porcelain, so these two things must be fakes made in modern times.

However, the results given by the ability must not be used as a reference, so he took advantage of the time when everyone was talking, he carefully observed the two artifacts, and also learned the authenticity of the artifacts in advance, otherwise it is really not so easy to find out a few places that are different from the real thing.

"That's why I say that. There is definitely a basis for it. ”

Chu Chen first picked up the big plate and said, "Let's talk about this blue and white plate first, the real Xuande official kiln porcelain." With a magnifying glass, it can be seen that the bubbles in the shaft are divided into large, medium and small bubble groups, and the moments between the groups are relatively sparse. The bubbles in the glaze of this large plate are dense and neat, which does not match the characteristics of the real thing. ”

Hearing this, Wang Xiangong spoke: "This, Xiao Chu, I also looked at it with a magnifying glass just now, why didn't I see the phenomenon you said?" ”

The others also nodded their heads in unison, indicating that the same was true.

Chu Chen smiled slightly and said, "The reason is very simple, you are using a magnifying glass prepared here, and it can only be magnified by a maximum of twenty times. And this phenomenon can only be seen with a thirty-fold magnifying glass. If you don't believe it, you can use my magnifying glass to look at it. ”

As he spoke, he placed his thirty-fold magnifying glass on the table.

After listening to Chu Chen's explanation, everyone was surprised and hurriedly took turns to observe the plate with Chu Chen's magnifying glass, and found that the bubbles in the glaze were indeed as Chu Chen said.

At this time, Mr. Niu was very unhappy, judging from the current result, his blue and white plate may indeed be a fake, but he felt unwilling, so he said with some confidence: "This." Could it be an isolated phenomenon? ”

After all, it is such a valuable item worth millions, Mr. Niu has such a performance, Chu Chen was not surprised, he walked to his position. After greeting the treasure bearer, he took a small blue and white bowl and said:

"Mr. Niu. I'm sorry, but this phenomenon is a common phenomenon in Xuande blue and white. If you don't believe it, you can take a look at this Xuande bowl to know the Tao. ”

Mr. Niu smiled wryly. He also knew that since Chu Chen said so, he must be sure, so he waved his hand and said, "Teacher Chu, I believe what you said!" ”

And the holder of this small bowl immediately ran over with an excited face and asked excitedly: "Teacher Chu, what do you mean, this bowl of mine is genuine?" ”

"Yes, congratulations, this bowl is indeed a real thing." Chu Chen nodded with a smile.

When the man heard the exciting news, he almost jumped up, but at last he calmed down a little, and asked, "And how much is my bowl worth?" ”

Chu Chen pondered for a moment, and then said, "I estimate that it will be around three and a half million to four million, and if it is auctioned, it may be higher." ”

"This ...... So valuable?! The man's eyes almost popped out when he heard this surprising price, and the others looked at him with envy.

"Indeed!" Chu Chen nodded affirmatively and said, "But this gentleman, I still want to trouble you, can this bowl give us a reference, don't worry, it will be fine for a while." ”

The man was also more atmospheric, and nodded in agreement without much thought.

At this time, Guan Guokang spoke: "Xiao Chu, isn't there anything different from the real thing about this plate except for bubbles?" ”

"Yes, could it be that the counterfeiter has been able to imitate Su Bo's mud blue?" Yu Renpeng also asked immediately.

"How can it be so easy!" Chu Chen smiled and shook his head: "Teachers, you should also know that the "rust spots" formed by Su Bo mud blue are formed by a large number of iron ions in the thick of green material in the decoration and formed by secondary oxidation, which has its own special distribution law. The imitation adds more iron to the chemical green material, and there will also be "rust spots" after firing, and there will also be a sparkling "tin light". ”

If it is too much, the density and concentration of "rust spots" greatly exceed the iron content in the composition of Su Ma Liqing, like the "rust spots" on this plate is denser than the real product, but the ability of the counterfeiter is also relatively high, and this phenomenon can only be seen by careful observation. ”

In addition to the "rust spots", because of the large specific gravity of Subo mud green, if the kiln temperature is normal during firing, it will not spread to the glaze, but will faint at the bottom of the glaze. This makes it possible to look at the glaze sideways and find that all the green material ornamental parts are concave, but the very light part of the green material is not obvious. But it's not obvious on this plate, which is what distinguishes it from the real thing......"

Chu Chen talked eloquently, and the others immediately wrote down what Chu Chen said word for word, this is an experience, maybe it took them a long time, and they may not be able to understand, and the experience of these few words may allow them to avoid losses.

"If only I had known this before!" Mr. Niu sighed secretly.

Yu Renpeng pointed to another plum bottle and said, "Xiao Chu, what about this plum bottle?" I've just seen it, whether it's the characteristics of the bubbles in the glaze, or the "rust spots" and concave phenomena you just mentioned, they are exactly the same as the real thing! ”

"This is exactly what I admire about the counterfeiter, but the fake can't be true, this Su Bo Niqing's performance is not so easy to imitate."

Chu Chen said: "Let's just say "rust spots", if we look closely, we can also find some differences from the real thing, but because the difference is relatively small, I won't say much about this. What I want to talk about is the unique bead-like polycondensation phenomenon of Subo Niqing. ”

"The phenomenon of bead-like agglomeration of this pigment occurs not only when a large area of heavy green material is used to paint parts such as people's clothing, but also sometimes when thin lines such as back lines are drawn with thick materials. Apparently the counterfeiters also discovered this phenomenon and deliberately imitated it, but the imitation was very unnatural. ”

Speaking of this, Chu Chen picked up the genuine one and said: "The cause of the bead-like polycondensation phenomenon is the original metal oxide left behind by the insoluble coarse particles in the glaze. Look at this bowl, these bead-like condensation phenomena, they are distributed in dots along the direction of the pen. This is in line with the fact that the small particles that are not polished are carried by the craftsman's brush, leaving traces of distribution in the direction of the brush. ”

Speaking of this, Chu Chen picked up the blue and white plate again: "But on this blue and white plate, it is different, have you found these places, they are distributed in the shape of stems and veins?" That is, it will cross or even perpendicular to the direction of the pen. ”

"This is because our current pigment is very fine, the particles are evenly distributed, and they are dissolved in the glaze at high temperatures, and these dark colors are iron oxides formed by iron ions absorbing oxygen in the original process, so they can not be distributed in the direction of the pen, that is, the reason why the stem will appear like a stem vein, and the direction of the pen is crossed or even vertically distributed."

"In addition, I didn't set up a kiln factory some time ago, so I also studied the information in this area. I think the reason for the stem-vein-like behavior may be related to the gas kiln we use today. ”

Chu Chen said: "We know that only under the condition of sufficient temperature and sufficient time can the full oxidation of ferric oxide in the green material be ensured, and the glaze can be melted more completely." However, our current gas kiln only takes ten hours, although the time is shortened, but the process of blending the green material and the glaze will definitely leave traces of haste, and this is like the expression of stem veins, which should be the traces produced by this. ”

Speaking of this, Chu Chen picked up the plum bottle: "I think this blue and white plate just now should be a test product of the counterfeiter, so there will be stem vein-like performance in some places, but this plum bottle does not have that performance, I think it should be the counterfeiter who used co-solvents." ”

"But in this way, there is another problem, the use of co-solvents, will make the firing time is not sufficient, although the counterfeiter used remedial measures, but still make the blue and white hair color appear undistinguishable, if you look at it alone may not be easy to see, but there is a comparison of the real product, it is very obvious."

As he spoke, Chu Chen put the plum bottle next to the real thing, and in such a comparison, as long as there is no eye problem, you can find the difference between the two.

After more than a minute, I don't know who applauded first, and then everyone else at the scene also applauded Chu Chen...... (To be continued......)