Otaku Engineer in Great Tang Dynasty Chapter 804: Refining, teaching art!

"Master, you are finally here~!"

Qiquge’s new workshop in Meicun finally ushered in its owner today. Speaking of Li Zexuan as the boss, he is really unqualified. The expansion of the workshop, from beginning to end, he was a little bit He didn't even bother, and gave full authority to Fu Bo, and after the completion of the new factory, he had never been there from start to finish, so in the afternoon, Fu Bo saw Li Zexuan who suddenly arrived, and it was both sorrow and surprise.

A slight embarrassment appeared on Li Zexuan's face. Obviously he also heard the deep meaning of Fu Bo's words, "Ahem, Fu Bo, long time no see! How good are you all these days~?"

Fu Bo glanced at Li Zexuan and sighed helplessly. He knew that Li Zexuan had been doing a lot of things recently, so he didn’t blame too much. Moreover, Li Zexuan has always respected the elderly in their workshops, so Fu Uncle has always treated Li Zexuan as a junior, "I am worried about the young master, the old man is okay, and he can help the young master manage the workshop for another two years!"

Fu uncle led Li Zexuan into the workshop, while answering Li Zexuan's question just now.

After hearing this, Li Zexuan frowned. He suddenly remembered something. Uncle Fu is old now, even if he is not sick or disaster-free, he can work in the workshop for at least two or three years. Who will take over at that time? Who will stir up this big beam?

Oh successor, successor, you must pay attention to one successor to Fober from now on!

Li Zexuan said with emotion in his heart.

The new workshop of Qiqu Pavilion covers a huge area, occupying nearly a hundred acres in total. The workshop in Chang'an is dozens of times larger. According to the different functions of the area and the types of goods produced, the workshop is divided into ten areas. The production area has a large factory building similar to modern ones, the office area has office buildings, and the living area has dormitories. It can be said that this new worker The workshop, covering almost all the elements, is regarded as the most comprehensive workshop in Datang.

"Oh, yes, master, you brought in so many barrels of white pulp yesterday. What is the purpose of keeping them? The warehouse of our workshop is almost filled with those things~!" /

Fu Bo was planning to take Li Zexuan to the office area to sit and rest for a while. When he walked halfway, he suddenly remembered the thousands of barrels of white pulp sent by the Wang family's fleet yesterday, so he turned to ask.

Li Zexuan smiled slightly and said, "That thing is called rubber, which is precious! So much rubber should be more valuable than our workshop! Don’t worry, I’m not here to teach you how to use it. Already?"

When Uncle Fu heard it, he felt a little unbelievable. He had already inquired from elsewhere today that Li Zexuan had bought these rubbers, which cost a total of 8,000 sticks. Even if these rubbers could bring ten times the profit to the workshop, that would be the only thing. Eighty thousand sticks, how could it be worth more than the entire workshop?

"That's right! The old man is trying to see and see, what can these things like soy milk do?"

Seeing what Li Zexuan said, even though Fubo didn't believe it in his heart, he still wanted to see it.

"Hehe~! Let's go to the next workshop, Fu Bo, you have someone bring a bucket of rubber over here! Oh, by the way, bring another big pot of white vinegar~!"

Li Zexuan pointed to the large workshop next to him, and said to Fu Bo.

"Um, good!"

Although Uncle Fu wondered why Li Zexuan was jealous, he nodded and agreed, and ordered the people below to start to do the same.

………………………

After a while, all the objects were ready, and Fober also brought a few old craftsmen from workshops to watch them.

"Song Xiaosi, Pang Feiji, you pour this bucket of rubber into the stone trough!"

Li Zexuan pointed to the rectangular stone trough in front of him, and ordered Song Xiaosi and Pang Feiji behind him.

This stone trough was originally used to anneal the blacksmith's gate, but things were urgently needed. At this moment, Li Zexuan did not find a more suitable container.

"Yes, master~!"

Song Xiaosi responded, and quickly joined Pang Feiji to lift up the big wooden barrel full of rubber. The white flowered rubber latex suddenly poured down into the sink. This thing looked sparse It's really the same as soy milk, and it's no wonder that Fu Bo can't think of the purpose of this thing.

"Well, pour in this pot of vinegar again!"

Li Zexuan weighed the weight of the pot of white vinegar next to him, and then ordered.

A very important process in the extraction of rubber latex is curing. In the modern rubber latex curing process, the most commonly used curing agents are formic acid and acetic acid.

Because formic acid and acetic acid can increase the amount of hydrogen ions in the latex, thereby lowering the pH value of the latex, compressing the electric double layer, and making the hydration membrane thinner, when the isoelectric point of the protein is reached, the electrokinetic potential is zero. There is no repulsion between the particles, and they gather together and solidify into a mass.

In the 21st century, most foreign countries use formic acid as a coagulant, while domestically, acetic acid is mainly used as a coagulant. The specific acid selected is different, the properties of the glue obtained will be different. These knowledge points ~IndoMTL.com~ were all learned by Li Zexuan in the factory of that local tyrant classmate in his previous life. How else would he understand this?

In the Tang Dynasty, formic acid definitely didn't exist yet, but acetic acid did! Because of the so-called acetic acid, it also has a very popular name, which is acetic acid. Vinegar contains a lot of acetic acid! This is also due to the wisdom of our ancestors, who first invented vinegar, or Li Zexuan would have to make vinegar now.

"Now you two go get two hoes, wash them with hot water, and then take them and stir them in there~!"

Li Zexuan quickly ordered.

Song Xiaosi and Pang Feiji took their orders. After a while, the two of them changed into one carrying a smooth **** and walked in. Under Li Zexuan’s demonstration, they began to work hard with sticks. Stir in the stone trough.

"Hey, hey, paternal master! It's solidified, solidified! It was just like soy milk, but now it's tofu~!"

After stirring for about two quarters of an hour, Pang Feiji suddenly exclaimed in surprise.

"It's really turned into tofu, come and see~!"

Song Xiaosi was also very excited.

Don’t need him to say, Fubo and the other craftsmen have already got together. Since the rubber latex had been sparsely clattered before, now it has become like tofu, Fubo couldn’t help but wonder:

"Hey~! It's really weird! Didn't it just pour a pot of vinegar into it? How come all these rubbers have solidified?"

"Yeah! It's so weird, it's just like a juggling! If you didn't see it with your own eyes, it would be incredible!"

The rest of the craftsmen were also shocked. Those who hadn't learned chemistry can only classify it as a juggling.

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First!

(End of this chapter)

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