The method of making fulminate of mercury is actually very simple,

1 part of mercury + 9 parts of nitric acid + 10 parts of alcohol.

Without considering the side reaction, the comprehensive reaction formula is:

3Hg+8HNO₃+3Hg(NO₃)₂+2NO+4H₂OHg(NO₃)₂+2C₂H₅OH+4HNO₃→

Hg(ONC)₂+2CO₂+8H₂O+2NO₂+2NO

To describe it in words,

it is probably to remove rust and other impurities in mercury with thick filter paper → chemical treatment of mercury with nitric acid of 4%-8% concentration → preparation of mercuric nitrate,

When performing the above operation, acid preparation and low-temperature alcohol preheating can be carried out simultaneously.

When all three raw materials are prepared,

they can be poured into a curved neck bottle for chemical reaction.

This step is very important,

which directly affects the output rate and quality of the product.

When operating, you must first clean the container,

Put it on a platform about 30 cm high, and insert a thermometer for easy viewing at any time.

Then, according to the material ratio of 10:1, pour alcohol and mercuric nitrate in turn.

Because mercuric nitrate and alcohol will react once they touch,

so the solution needs to be added slowly and linearly at a uniform speed.

Otherwise, a large amount of toxic gas will be quickly produced, and even boiling overload will explode on the spot.

After 3-5 minutes of adding the raw materials to the container,

the liquid will turn transparent yellow-green and the temperature will rise to about 50°C.

After 8-10 minutes,

alcohol reacts with excess nitric acid in mercuric nitrate, releasing bubbles at the bottom,

and white smoke rises on the surface of the liquid.

When this phenomenon occurs,

the operator must keep an eye on the thermometer index.

When the temperature exceeds 82°C, add a small amount of alcohol immediately to cool it down.

During this period, the mother liquor in the container remains boiling.

A large amount of fulminate of mercury will gradually precipitate as the alcohol evaporates and the nitric acid decomposes.

When the yellow nitrogen oxide gas no longer appears and the temperature of the container shows a downward trend,

it means that the entire chemical reaction is over.

Then the operator takes out the crystalline fulminate of mercury,

washes and filters it with clean water for more than 10 times.

After washing,

take a sample and drip it into the methyl orange indicator. It can only be judged as qualified after confirming that the water is neutral.

Then the fire wall drying method is used to remove water and dry the fulminate of mercury at 38-45℃.

After complete drying, pouring the medicine and loading it on the plate is considered a success.

Qin Nuo arranged Lu Renjia to prepare the acid,

Qun Zhongding heated the alcohol, and Gao Wenwen and the white Han Meimei handled the mercury.

And Xiao Bingyi, who is good at construction site work, was responsible for building walls and drying the drying room.

Of course, Yan Shuihan was not idle either.

After wearing protective tools, he started to make washing equipment, preheating tanks, and exhaust ducts.

The materials needed are very common,

all porcelain basins, white cloth, and wooden boards that can be found everywhere.

"The whole process will take about two days.

You can take a break after washing the fulminate of mercury according to the steps.

Leave the rest of the water removal process to me.

If you forget the key points of the operation, just look at the whiteboard, don't make any mistakes."

Qin Nuo gave a few instructions and prepared to leave.

"Where are you going?" Yan Shuihan, wearing a pig-nose gas mask, asked in a muffled voice.

"Me?

Of course I'm busy with other things, don't worry I won't go far."

As if thinking of something,

he muttered a few words and took out five explosive spears from his backpack:

"Give them to you for self-defense, which is considered advertising for my store.

If you encounter a difficult enemy, just throw it at them, the power is stronger than an anti-tank rocket launcher."

The newbies took the spears in a daze, and when they saw the item description, they were all surprised.

They were surprised that the boss suddenly became generous and was willing to lend out extraordinary props.

However, the next sentence instantly extinguished the good impression they had just developed.

"200 game coins each, whoever uses it, remember to write an IOU.

If you don't use it, I can return it when I'm done."

Qin Nuo waved his hand and stopped talking, and soon disappeared into the night.

Leaving a few newbies in the wind, speechless.

Is this...

forced buying and selling?

——————

Qin Nuo walked quickly all the way to a secluded corner.

Cleared the surrounding bushes and dead grass, and drove away a few panicked small animals.

After confirming that no one was coming, he took out the engineer shovel, and his hands spun like flying to dig a 3-meter-deep cave.

He buried a simple mine at the entrance of the cave, and then carefully crawled in.

He hadn't returned to the world in the painting for a whole day, so he had to go and see what was going on.

"Although Ah Qi is watching,

but if Li Muyun goes crazy, no one can stop her.

I hope the zombies are okay."

Muttering to himself, Qin Nuo waited for 30 seconds and then disappeared.

With a trance in front of his eyes,

the environment changed from a cramped cave to a world in a painting..

Dark, eerie, vast, everything is normal.

It's just a little noisier than before.

Qin Nuo looked in the direction of the sound,

Hundreds of zombies were screaming at the edge of the construction site.

The strong smell of corpses was faintly diffused in the air, making people feel a little uncomfortable.

"Master, why did you bring in a bunch of garbage zombies?"

Ah Qi rushed over at full speed, and the speaker played a low and calm magnetic voice.

"Why do you use this voice?" Qin Nuo took off his headgear and picked his ears.

"Does it sound strange, master?"

"Uh... a little."

As a half FF7 fan,

it felt weird to hear Ah Qi calling himself master in Sephiroth's voice.

It's like meeting your part-time class teacher while shopping,

and the other party calls you "Ouni-chan".

The two of them walked in front of the zombies.

Perhaps they felt the breath of living people, and these half-dead guys immediately became restless.

It was a pity that they were tied up tightly with ropes and could not move.

They could only roar with their rotten mouths open from a few meters away.

"Noisy."

Qin Nuo frowned and waved his hand to release the title skill.

The "Cowardly" Buff spread quickly, causing the zombies to fall into a coma again.

"Garbage is garbage, and it can't withstand a single blow."

A Qi flattered him at the right time, turning his hemispherical head and wondering:

"Master, zombies are creatures that have no thinking ability and weak combat power.

They are completely incompatible with our development path, right?

Although they don't need to eat or pay wages, it's not so convenient to use them.

Do you need to use them as cannon fodder, Master?"

"How is that possible?"

Qin Nuo pouted and broke a steel bar from the construction site.

He casually opened the top of a zombie's head, revealing the honeycomb flesh and blood structure inside. Zhi:

"Aqi, don't you think zombies are amazing?

They have no digestive or respiratory system, but they can run and jump, and are very aggressive towards living people.

And looking at the degree of decay on their bodies, they should attract flies, cockroaches and other scavengers.

But if you look closely, there are none at all."

Aqi extended the camera and scanned his eyes up and down: "Indeed, there is no trace of scavengers.

In addition, its brain is actually honeycomb-shaped, and looks like some kind of fungus.

My heat source detection shows that the temperature inside the skull is significantly higher than other parts."

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