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Text Chapter 1011 The problem of blue and white materials

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    Chu Chen was quite interested in these two bamboo root carvings, but at this time he was too embarrassed to keep it to himself, so he asked other people's opinions.  Needless to say, Uncle Wu, both Zhao Xueyi and Yuan Hongjian said they did not need it. Zhao Xueyi said it was because he had already gained something today, while Yuan Hongjian was not too interested in bamboo root carvings.  So, Chu Chen negotiated the price with Fu Lilei, and the other party didn't even say anything. In the end, everyone was happy.  After Chu Chen completed the transaction, Chen Dewang finally put down the magnifying glass while everyone was looking at it.  No one said anything about it. After all, this thing was worth a lot of money. It was only normal to carefully identify it.  However, after Chen Dewang saw it, he frowned slightly and a trace of confusion flashed in his eyes, which made everyone feel a little strange. Is there something wrong with this Longquan kiln plum green glaze plate?  At this time, Fu Lilei was as scared as if he were fetching water from fifteen buckets. He hurriedly asked: "Mr. Chen, is there something wrong with this thing?" Seeing his nervous look, Chen Dewang gave him a  With a calm look in his eyes, he said: "Xiao Fu, don't worry, the stuff must be genuine, I just think there's something wrong with the coating." "What? Could it be that this thing is made of old coating again?  ? " Hearing what Chen Dewang said, Fu Lilei's expression changed immediately. If it was made of slurry again, and the value was reduced by another third, he would be lucky not to lose money, let alone make money.  Uncle Wu hesitated and said: "Old Chen, I think this slurry is quite natural. It shouldn't be artificially made, right?" Chen Dewang nodded and said, "I also think it is naturally formed. But after seeing the slurry before,  I think the patina on this thing is a bit strange." Everyone has heard that this is the case.  They all became interested and started observing one by one.  After Uncle Wu and Zhao Xueyi observed.  It was Chu Chen's turn. He took the thing in his hand and observed it carefully. He saw that this Longquan kiln plum green glaze folded edge plate was light and beautiful in shape, and its texture was delicate and dense.  This is because the Longquan kiln in the middle of the Southern Song Dynasty improved the tire soil formula and mixed an appropriate amount of purple clay into the porcelain stone to increase the content of alumina and iron oxide, improve the bending resistance, make the tire less deformable at high temperatures, and make the tire thinner.  It overcomes the shortcomings of "heavy and thick" in the early Southern Song Dynasty.  Speaking of glaze, the Longquan kiln in the middle of the Southern Song Dynasty also improved the glaze formula, changing from the original lime glaze to a lime alkali glaze.  The characteristic of lime alkali glaze is that it has high viscosity at high temperatures and is not easy to flow. This can make the glaze layer thicker and make the appearance of the object fuller.  In order to obtain the best effect, the craftsmen adopted a complex process of multiple biscuits and multiple glazings to make the glaze layer richer and the color more stable.  The glaze layer of this vessel is thicker.  The glaze surface is bright, has a high degree of vitrification, does not crack, and is as translucent as jade.  It is also in line with the technical characteristics of the plum celadon glaze of Longquan kiln in the middle of the Southern Song Dynasty.  In addition, in the middle of the Southern Song Dynasty, the Longquan kiln utensils were very particular about the tire repair, and the ring feet were very thin.  Scrape off a thin line of glaze on the base, and a thin line of vermilion will appear after firing.  Commonly known as "cinnabar bottom", celadon has a unique charm.  The exposed sole of the foot of this device is purple in color.  It is the typical characteristic of cinnabar bottom.  In addition to the above three points, Chu Chen carefully observed the decoration and firing process of the things. Finally, he was sure that this Longquan kiln plum celadon folding edge plate was indeed an authentic piece from the Southern Song Dynasty, and it was also quite rare.  of treasures.  However, as Chen Dewang said, there seemed to be something wrong with the patina of this utensil. After Chu Chen observed it carefully, he got an idea.  During this period, because of the coating liquid, he basically focused on the research on the coating. Therefore, although he was not 100% sure about the coating problem on the object in front of him, he still had a basic judgment.  Then, after Yuan Hongjian observed, Chen Dewang asked, "What do you think?" Everyone looked at each other, and Uncle Wu looked at Chu Chen and said, "Xiao Chen, you come first." Chu Chen smiled.  He smiled, declined, and said directly: "I think this thing should be an unearthed cultural relic. As for the time when it was unearthed, it should be several decades, but because of the storage reason, it seems a bit strange." "Little  Chen, what is the basis for your judgment?" Chen Dewang asked curiously, and everyone else looked at Chu Chen, waiting for his answer.  "I think so because of several reasons." Chu Chen explained with a smile: "First of all, I think the location where this thing was originally buried became shallow due to some special reasons, such as water and soil erosion.  , Therefore, oxidation has also occurred on its surface, but the oxidation time may not have been long, which caused it to fail to achieve the performance of ordinary heirlooms. " "Another.?, after the porcelain is unearthed, the formation of patina will also be affected by various aspects, such as washing, transportation, storage, etc.  " "For example, washing, some things are washed within a few minutes after being unearthed near the water source, and some are soaked in various chemicals such as potassium permanganate or 84 washing liquid as soon as they are moved home, and then washed.  Some things can be soaked for a few days to more than ten days or even longer, and the patina of many things can be completely washed away by soaking.  " "Also, because the storage time and location are different, the appearance of the utensils is also different. Some are placed in ventilated and light-transmitting houses, some are placed in ventilated or air-impermeable cellars, haystacks, etc.  , will affect the formation of patina, so the appearance of patina will be different" Hearing this, Yuan Hongjian said: "Teacher Chu, according to what you said, there are so many surfaces of patina, so how should we distinguish them in daily life?  And distinguishing authenticity?  " Chu Chen replied: "What I just said is that the appearance of patina is different, but they have one thing in common, that is, patina is naturally formed. You can start from this point to distinguish falsehood and preserve authenticity. As for other things,  In terms of this, I should have introduced it to you before.  " Yuan Hongjian nodded and said that it was indeed the case. At this time, Chen Dewang said: "Xiao Chen, do you think there are any traces of human intervention on the patina of this thing?  Chu Chen smiled and said, "Of course it does!"  "    "What!  "After hearing this, Fu Lilei's expression changed and he almost jumped up in fright. Chu Chen said with a smile: "Boss Fu, don't get excited. What I'm talking about is that this plate was cleaned by the original owner using unscientific methods.  , thus causing some impact on the patina.  " Hearing that this was the case, Fu Lilei let out a long sigh of relief. Zhao Xueyi said with a smile: "Xiao Chen, don't only speak half of your words next time. Otherwise, if you encounter someone with a bad heart, you may be in trouble right now.  You have to call an ambulance.  " "Understood, understood" Everyone laughed, and then Chu Chen went on to explain in detail the reason why he thought so. Everyone agreed after listening to it. There is no doubt about the patina,  Chen Dewang was relieved about this rare plum celadon porcelain. Then, he and Fu Lilei went to the side to bargain, and finally completed the transaction at a price that both parties were satisfied with. After the transaction was completed, everyone was about to leave. Fu Lilei asked: "Chu."  Teacher, what should I do with my two old things that were made with slurry?  " Chu Chen replied: "You can leave it alone for now.  "    "OK.  Fu Lilei nodded, and then asked hesitantly: "Then these two genuine items will not be confiscated in the future, right?"  " Chu Chen was slightly startled. He really hadn't thought about this problem just now, but if these things were indeed obtained illegally by the gang, they would definitely be confiscated according to current laws. But Fu Lilei didn't know about this. If it were  No matter who it is, Chu Chen scratched his head and said, "Forget it, just sell that thing to me, and I will deal with it then.  Mr. Chen, how about you give me that piece too?  " Chen Dewang smiled and said: "It's okay to give it to you, but you have to answer me first, what are you going to do with it?  Chu Chen replied: "My private museum is being prepared. These two things will be put on display there."  " When Chen Dewang heard this and was about to speak, Fu Lilei quickly said: "Mr. Chen, how about this? I will give these two things to Teacher Chu at the cost price.  " Chu Chen smiled and said: "Boss Fu, you are anxiously waiting for money now, so there is no need.  " Fu Lilei waved his hand: "After disposing of this Longquan kiln, the money on my hands is no longer tight. You have to agree no matter what!  ¡± It should be said that as a commoner, he will definitely not be able to keep his things if they are really confiscated. Now that Chu Chen is handling it this way, it will undoubtedly save him a lot of trouble and save his money. Of course he has to reciprocate the favor, and  Being able to form a good relationship with Chu Chen will always be beneficial in the future. Seeing that Fu Lilei insisted on this, Chu Chen could only agree. Then, Chen Dewang expressed that he wanted to see these two things, but he took them out.  But his attention was always on the vase imitating the Ming Dynasty Wanli blue and white epiphyllum vase depicting characters in the outing. After a while, Chen Dewang frowned and said: "This blue and white vase is quite interesting!  " "What's interesting?  "Zhao Xueyi asked. Chen Dewang pointed to the blue and white vase and said: "Compared with the real green material, the color of this blue and white vase is at least 90% similar in my eyes. You think this means  What?  "Except for Chu Chen, everyone else present was startled. Just now they?I really had never thought about this problem. Now that I thought about it, they were surprised and very worried.  Even an experienced old man like Chen Dewang feels that there is at least 90% similarity, so for novices, it is basically difficult to tell which one is true and which one is false.  Chen Dewang continued: "Furthermore, if you look at the glaze and painting techniques, they are not 100% consistent with Wanli blue and white porcelain, but they are at least 90% similar. When did such a powerful person appear on the market again?  Are you a master of antique porcelain?" (To be continued, please search Piaotian Literature, the novel will be better and updated faster!
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