The latest website: The three of them got off work early and went back to school. On the way back, they stopped by the chemical store to buy some materials.

When he got to the laboratory, An Zehan put the plastic pellets into the crucible and boiled them with an alcohol lamp. The plastic pellets melted and gave off an unpleasant burnt smell.

"Wear a mask and open the window to ventilate!" Song Ting frowned deeply, smelling too much, it could be poisonous.

But the plastic quickly burns into a black charred mass that cannot be melted into a liquid, and it is impossible to pour it into the liver.

Guo Xiang was a little surprised. It turned out that ordinary plastic was not good. She knew what material Song Tingshen used in her previous life, but she thought it was just an accidental inspiration. Other plastics could also be used.

"It doesn't seem to be able to be heated. It burns as soon as it is heated," An Zehan said. "Then how can we make them liquid?"

"You can try adding acetone!" Guo Xiang said.

Song Ting gave her a deep look, "Chemistry is good!"

An Zehan turned off the fire, put new plastic pellets into a beaker, poured acetone, and stirred with a glass rod. The plastic slowly began to dissolve, but it could not be completely dissolved, and there were still many small particles, which were poured into the liver. It doesn't even reach those small veins.

"The material is wrong." Song Tingshen said, "There should be a solubility parameter, and this plastic has a corresponding solvent."

But I don't know what it is, maybe ask a professional chemistry teacher.

"Mr. Song, I know a plastic that I might try." Guo Xiang said, in fact, she knew what Song Tingshen used in her previous life, but she couldn't say it directly.

"What?" An Zehan looked at her.

"Celluloid!" Guo Xiang said. This is what Teacher Song used in his previous life. It is said that he got inspiration from watching table tennis matches, because celluloid is the main material for making table tennis.

"You can try it!" Song Tingshen said.

"I'll buy it right away!" An Zehan was eager to try.

I went to the chemical store again, but there were none. Later, An Zehan went to the table tennis factory to buy some from others.

"Why did it take so long?" Song Tingshen asked.

"I went to the table tennis factory, and other places don't sell this kind of material at all. They say it's a synthetic plastic that needs to be specially formulated." An Zehan said excitedly, finding the material and thinking it was quite useful.

"Then try again!" Song Ting nodded deeply.

Put the celluloid colloidal particles into a beaker, add acetone, and a miracle occurs, the colloidal material dissolves rapidly at a speed visible to the naked eye, and soon dissolves into a cup of translucent and slightly white solution.

"Success!" An Zehan was very excited.

"I'm going to get a liver." Song Tingshen also had a smile on his face.

I took a pair of liver and poured out the formalin solution in it, squeezed it a little, and squeezed out all the solution in the blood vessels. When the celluloid solution was poured in, it could completely enter those small blood vessels.

"Put on gloves, clamp them with pliers, and tap carefully." Song Tingshen gave the liver to Guo Xiang.

"Okay, Mr. Song!" Guo Xiang put on gloves, clamped the portal vein of the liver with forceps, hung it on a stainless steel tray, and signaled to An Zehan, "You can pour it in!"

"Hey!" An Zehan also put on gloves and carefully picked up the beaker and poured the solution into it along the portal vein of the liver.

The solution gradually entered the liver. Guo Xiang shook the liver, grabbed the venous port, tilted it over and shook it, trying to allow the solution to enter all the small blood vessels, so that a complete blood vessel specimen could be poured out.

When it was almost done, the portal vein was tied up with a string and hung.

"I don't know how long it will take to solidify?" An Zehan asked.

"Why don't you put it in the refrigerator?" Guo Xiang asked.

In fact, she only knew the main materials used, and she didn't know the specific details. After all, she had this thing long ago when she studied medicine.

"Put it in the refrigerator and hang it outside, it will dry and shrink." Song Tingshen said, "Don't go to the hospital tomorrow morning, come here directly. It's not too early, let's go back to rest first."

"Hey!" An Zehan responded, wrapping the liver in a plastic bag and hanging it on the grid in the refrigerator's refrigerating area.

A few of them went home together.

The next day, when Guo Xiang came to the school laboratory, there were many people around the door.

Su Li saw Guo Xiang greet in surprise, "Boss, why are you here?"

They all heard about Guo Xiang's early internship, and they were all surprised, and they didn't ask her what was going on.

"Well, I have something to come to school today." Guo Xiang nodded, "What's the matter?" Guo Xiang pointed to the people surrounding the laboratory door.

"I heard that the laboratory is haunted, and a pair of livers actually appeared in the refrigerator where the medicines were stored. The classmates who came to get the medicines almost fainted from fright." Su Li said while tiptoeing and looking in.

"Huh?" Guo Xiang couldn't help laughing and laughing. He actually made such an oolong?

"I think someone is playing a prank, right? Otherwise, why would a liver appear for no reason? We are medical students and can't believe in ghosts and spirits." Su Li continued.

"Is it better to report to the school leaders?"

"Or just call the police!" said a classmate.

Guo Xiang was taken aback and hurriedly shouted: "Hey, let it go, let it go, I know what's going on!"

Everyone turned their heads and looked at Guo Xiang.

"Who is she?"

"never seen it!"

Everyone gave way, Guo Xiang walked in, and found a girl sitting on the ground, with a pale face and tears in her eyes, and two classmates beside her comforting her.

The refrigerator door was open, and half of the hanging liver was exposed.

"You misunderstood, this is not a prank, this is an experiment we did with Teacher Song, and this liver must be kept in the refrigerator!" Guo Xiang quickly explained.

"But not yet when school was over yesterday." The girl on the ground raised her head.

When she came to get the medicine, she saw a bag hanging in the refrigerator and opened it out of curiosity. She didn't expect it to be a pair of internal organs, which scared her a lot.

She was still a freshman and hadn't taken an anatomy class yet, so she was so frightened that she was scared to death.

"We only came here last night. Didn't we have time in the hospital during the day?" Guo Xiang sneered, not expecting such a big oolong.

"What's the matter? What are you doing all around here?" Song Tingshen's stern voice came from behind.

"Mr. Song is here, Teacher Song is here!"

"Is it really Teacher Song's experiment?"

"Yes, Teacher Song is an expert on liver and gallbladder!"

Guo Xiang greeted him, "Mr. Song, it's alright, it's just that the little girl was frightened by the liver in the refrigerator." Guo Xiang smiled.

When the girl on the ground saw the teacher coming, she blushed and stood up hurriedly.

"Scared?" Teacher Song looked at the girl, "You can't be so timid, you need to exercise more courage."

"I-I'm a pharmacy major." The girl said with a blushing face.

"Pharmaceutical majors also have an anatomy class!" Teacher Song's face was serious, "Don't come to study medicine if you are not mentally prepared!"

The girl bit her lip and didn't dare to say a word.

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