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Text Chapter 406 Discoloration when exposed to alkali

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    "It has changed, it has changed! Your Highness, look, look, it has really changed!" "Yes, it has indeed changed. Okay, now, slowly pick up the credentials."  "What  What? Thenthere are words on the national certificate?" "Noit can't be? Whywhy are there words on the national certificate after being soaked in water?"  There were words in the book originally? It¡¯s just that we couldn¡¯t see it at first?¡± ¡°It must be so! It turns out that it needs to be soaked in water. Hey, why didn¡¯t I think of that just now?¡± ¡°Haha,  If you think about it, wouldn't you be the 'Master Yongyue'? ""Some things really don't need to be explained too much, because the eyes will give you the best answer.  That's what happened before us. Come on, some of the young men and ladies of the "Yinshan Society" were still wondering whether Qin Yong was trying to harm Wu Zixiang, because if that wasn't the case, he would have no reason to let him.  Wu Zixiang went against common sense and put a vital letter of credentials into a basin of water to soak.  Can letters soaked in water be restored to their original state?  To be honest, if the paper has been soaked for too long, it cannot be restored, and even the writing on it will be completely washed away.  However, the letter in front of him could not do it, because Qin Yong had ordered Wu Zixiang before that, that is, he only needed to dip the letter into the basin for a while and then lift it up.  In this case, although the changes on paper are not too obvious.  However, the internal chemical reaction has already begun.  Therefore, soon, we will be able to see the real credentials.  It was precisely because of Qin Yong's previous explanation that although Wu Zixiang felt very nervous during the operation, she had no doubts after all.  She waited until the two maids beside her discovered that the certificate of credential had indeed changed.  She felt even more relieved.  Because Qin Yong did not lie to her, and she could be considered to have fulfilled the responsibilities Qin Yong entrusted to her very well.  "There is a word, hurry up let me take a look! Come on, let me take a look!" "Hey, don't squeeze, keep pushing. But you are squeezing Her Highness the Princess." "But  But, I want to see what the invisible words are like. " "You can't squeeze in. Can you afford it?" "Yes, yes, it's Meng Lang!"  ¡­ Knowing that there was a change in the credentials, everyone present.  It was already boiling for a while, but after all, the distance between most people was too far, so they couldn't see clearly.  What are the changes in this national document?  And those who were relatively close to Wu Zixiang could indeed see clearly at this time.  On the originally flawless white paper, small red characters appeared one after another. However, the number of small characters was relatively large and the size was relatively small, so they could not clearly see the content at all.  "Put the credentials away. It's a very important matter. Tomorrow morning, I will take them directly to the palace and present them to my father!" Well, Wu Zixiang probably meant that she didn't want anyone to see the credentials on the credentials.  content.  However, there is no way to do this. After all, the credential is the credential. No matter how curious you are, you can't rush to read it!  Otherwise, once this is known to the emperor, he may be held accountable, ranging from being sent to the frontier to having his family confiscated and exterminated.  Therefore, although the young men and ladies present at the scene were still curious about what was written in the letter of credence, they did not dare to push any further.  "Everyone, although the credentials cannot be read, there are still a few pieces of white paper here with words written in the same way, so I can show them to you later." Just when everyone was disappointed  , Qin Yong, who had been silent before, suddenly said it at this time.  However, the piece of white paper he was talking about was taken from Wu Zixiang's hand.  It turned out that when he asked Wu Zixiang to prepare to solve the problem of this letter of credence, he also asked Wu Zixiang to get a few similar pieces of white paper so that he could give them to everyone present afterwards.  A detailed explanation.  Because, after the previous two competitions, he already understood very well that if he did not explain the secrets in detail, he would not be able to get out of it easily.  Moreover, he has never forgotten his current status in the "Yinshan Society", that is, he is a visiting professor of the "Yinshan Society", so he should do more of thisSome things should still be done.  "Ah? What? Are you serious about this?" "Of course you are serious!" "Ah, thenthat's great, then you can explain it to us right away." Hearing Qin Yong say that there are other blank papers that are probably similar,  The young men and ladies from the "Yinshan Society" at the scene were indeed overjoyed, so they gathered around Qin Yong one after another and "badgered" him. ?????????????????????????????????????????????????????????????????????????????????????????? could be said to be "tangled", but we are not very prepared for it. They just have a little too strong "desire for knowledge".  Therefore, Qin Yong had no choice but to introduce it to them immediately.  It turns out that the principle used in this is just an ordinary chemical reaction.  Because, in nature, many pigments will undergo certain changes with changes in acidity and alkalinity.  To be more specific, something that may originally be colorless will produce color when it encounters something alkaline or acidic.  Of course, it may be that something that was originally red suddenly turned blue. This is all the result of the change of pigments with acidity and alkalinity.  This principle was used in the letter of credence written by the people of Dashi to the Zhou Dynasty.  However, Qin Yong didn't know what the raw materials they used were at the beginning.  Think of it, in this era.  Various chemicals are hard to come by, so they must be purely natural. So Qin Yong thought of turmeric, because under natural conditions, if turmeric is used to write on white paper  .  Generally, you will just get an almost completely white piece of white paper. However, in fact, some of the substances in turmeric have already stayed on the white paper. As long as it encounters the so-called alkaline water, it will be very easy.  The ground has changed.  This change is nothing else, that is, the original words are close to being fully transparent.  It will slowly turn light red, so it will no longer be difficult for ordinary people to read it.  This is actually the reason why there is not a single word in the cannibal¡¯s credentials.  It's just that when Qin Yong started.  I really have a headache because of that "alkaline water".  Because this "alkaline water" is ultimately an extremely rare chemical substance, and in this era, it is not easy to produce such a chemical substance.  Especially in such an emergency.  Any self-made methods are actually not that practical.  Because it takes a certain amount of time to do it.  Therefore, Qin Yong really felt a headache at the beginning.  However, he later thought that in this era, didn¡¯t Zongzi already exist?  When making rice dumplings, many people use pure natural alkaline water, which is the ashes produced after burning straw, and then go through a certain process to finally produce a kind of water. This water is actually  It is a simple alkaline water. When making rice dumplings, if you use this alkaline water, it will prevent the rice dumplings from deteriorating easily, and the taste will be quite special.  Moreover, ordinary people should store this kind of alkaline water for a long time, because it takes more than a day or two to make it. Therefore, Qin Yong guessed that if he could find such a  If you plant alkaline water, everything will be solved.  And the final result of the matter did not disappoint his efforts, because the use of alkaline water to make rice dumplings has indeed existed for a long time in this era, and in the kitchen of this farm, there are even such things stored  A kind of alkaline water, so Qin Yong directly asked Wu Zixiang to go to the kitchen behind to get it.  At that time, Qin Yong also told Wu Zixiang that after bringing the alkaline water, as long as he put the credential into the alkaline water, the result would immediately appear. However, in order to avoid greater damage to the credential,  , therefore, it must be touched at once, otherwise, who knows how this letter of credence will be ruined in the end?  "It turns outit's just that? It's just a piece of turmeric, plus a little alkaline water used to make rice dumplings, so it creates the magic of this letter of credence without a word?" I heard Qin Yong explain this.  As a result, some people at the scene couldn't believe that things could be so simple. It's reasonable to think that this is already related to the credentials, but why is it just a piece of turmeric and a pot of turmeric that don't look the same?  What about bad water?  However, they didn¡¯t think about it. Of today¡¯s three consecutive competitions, which one was actually extremely simple and easy?  But why couldn't they think of it?  But only Qin Yong thought of it, so whether it is difficult or not depends on whose hands it is. If it is in the hands of Qin Yong, it is indeed not difficult, but if it is  In their hands, it would be even harder than climbing to the sky.  "No?, in fact, not only turmeric has this effect, but also other flowers, such as some colorful flowers, sometimes change their color if they encounter alkaline water. For example, if they are originally red, they will become red.  It's quite magical to turn blue, white, and black. So, if you are interested, you can try it yourself when you go back" Qin Yong finally said.  This is what he thinks in his heart. Since he has become a visiting professor of the "Yinshan Society", he can fulfill his duties as a visiting professor. Anyway, the matter has already been explained to this extent, so  , and by the way, tell them a little more in-depth, so what does it matter? So, naturally he will not be polite.
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