Chapter 417 Chemistry in Survival! (1, please complete!)

A few minutes later, the two finally arrived at the gazebo. The brazier on Lin Han’s shoulder was also full of thick smoke, which also indicated that the firewood had basically dried up and had now turned into charcoal.

“Just put it here! This is the downwind vent, and the wind is blowing from this side, just enough to cover the top of the cement with the amount of carbon dioxide.”

Lin Han said.

“carbon dioxide?”

Li Shuixin muttered in his mouth.

“Yes! Most of the cement we make from Yun is lime, which is still a bit different from the real cement, so we have to use some police methods to solidify the cement. Carbon dioxide is the best choice. Item! Most of the components of limestone are calcium hydroxide, and when calcium hydroxide encounters carbon dioxide, an irreversible chemical reaction will occur, resulting in calcium carbonate, and calcium carbonate is the basic structure of our stone. How hard is the cement? How hard it will be in a while, do you understand?

Although Lin Han knew that Li Shuixin might still have some doubts after hearing this, he still wanted to make Li Shuixin understand as much as possible.

“La la! It seems that the thing from our breathing hook is also carbon dioxide. Can we stand here and breathe for a while?”

Lin Han didn’t expect Li Shuixin to think of this.

“Hey… what you said is theoretically possible, but the carbon dioxide from our breath is too little, and carbon dioxide will float in the air. Is it possible that we just stay here to breathe today?

“Hahaha! The heroine is so funny, I can see such interesting things early in the morning, get up, good morning everyone!

“Good morning!”

“Huh? Lin Shen got up very early today, and he has already started to get busy. This is…”

“Lin Shen is now preparing to reinforce the cement, just use carbon dioxide, all of them have been in high school, if you don’t understand, go check it out.

It’s already around seven o’clock, and both office workers and student parties are getting up now. As Lin Shen’s audience, the first thing they do when they wake up in the morning is to open the live broadcast room to say hello to each other.

“Got it! That’s right here?”

Li Shuixin squatted down and felt the residual temperature of the charcoal with his hands, but it was still very hot.

“Yes! Now we can make paper bowls, try to consume all the pulp this morning, and then soak a little more, this time we can soak for a longer time, we have to find the most suitable time, so that we can make rhyme. Finished paper.3

Lin Han said.

“Okay! Then let’s go!

When Li Shuixin heard that he was going to make paper, his interest immediately rose, and he followed Lin Han all the way to the big pit.

“If you don’t do what Li Xiaofei does, and you know how to bring everything over, I just said why you can’t see your shadow just now!

When Lin Han brought Li Shuixin here, Li Xiaofei had already brought the table and the tools to be used, and was lying on the ground looking at Lin Han sleepily.

“Hahaha! I know, you don’t have to look at me that way. I didn’t give you something delicious last time, right? I’ll give you a good meal later, okay? You look at me like this, and I’ll treat you badly. Like!”

Lin Shen missed Zhang Xiaofei’s head.

“Wow~~

Zhang Xiaofei stood up and came to Li Shuixin’s side, gave Li Shuixin’s hand with his huge brain, and kept growling in his mouth, as if he was telling Li Shuixin about Lin Han’s previous behavior.

“I’ll help you stare at him this time, don’t worry I won’t treat you badly, go and play!

Li Shuixin touched Zhang Xiaofei’s head and dismissed it.

“The first step is to pick up this frame, like me, grab the two sides, don’t use too much force, or the paper that comes out after a while will be deformed!

Lin Han picked up the bamboo frame placed on the table while explaining.

“Is that right?”

Li Shuixin carefully inserted the bamboo frame, looking at the muscles in her hand, she knew that she had no strength at all, and all the four fingers of her hand supported the bamboo frame.

“A little bit of strength, a little bit, I’ll help you!”

Lin Han saw that Li Shuixin was a little restrained, so he put down the things in his hand, walked over and put his hands on Li Shuixin’s hands, helping Li Shuixin to find that kind of strength.

“Feel it? That’s what it feels like!

Lin Han slowly released his hand as he spoke.

“Almost, what’s the next step?”

Li Shuixin kept his posture and did not dare to breathe easily.

Lin Han couldn’t say anything when he saw it. This kind of thing still depends on his proficiency, and he will know after doing it a few more times.

“The next step is the key, look good!”

Lin Han said and directly immersed the bamboo frame into the big hole. Slowly Lin Han changed from squatting to kneeling, and finally his chest was almost on the ground. He lifted the bamboo frame from the surface of the pulp. Moved to the bottom of the pulp.

“I also need to shake it, because there are some large wooden weaves sinking under it, so shake it gently to make these fibers more evenly distributed on the surface of the bamboo frame.

Lin Han said, shaking his arms to dry.

“I just put the bamboo frame in while resting, but now I take it out straight up without any deviation.

Lin Han then lifted the bamboo frame directly from the bottom of the pulp.

“Look, this is paper! fi

753

Lin Han put the bamboo frame on the drying table and motioned for Li Xin to take a look.

“It still feels a little thin.

Li Shuixin took a closer look and found that he could see the grass below through this layer of paper.

“Generally speaking, two layers are needed. Yesterday, it was enough to soak it once. Today, it has been soaked. Let’s do it first, wait for a while and wait for this layer to dry, then add another layer and try it! 66

Lin Han also looked at the paper he just made. After all, it was his first time making it. Although he was a little dissatisfied, it was better than the previous one.

“Okay! Then I’ll start, we can compare who is the fastest! One and a half, you ten bamboo frames and I ten bamboo frames, let’s start!”

Li Shuixin gave Lin Han’s order and Lin Han’s hands began to get busy. If Lin Han really wanted to play this kind of competition? The answer is definitely no, but Li Shuixin wanted to play, and Li Shuixin was very precious to Lin Han. Of course, Lin Han is also serious, but this seriousness must still be mixed with love.

Li Shuixin might be a little slow in his hand at the beginning, but as time goes on, there are more and more bamboo frames on the table, and Li Shuixin’s speed in his hand is getting faster and faster. The pulp color is also getting more and more transparent, because most of them have already been framed…

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