[If I could travel back in time, in order for industry to make great progress, I must master how to obtain sulfuric acid, which is known as the "mother of industry".

Sulfuric acid can be used to make fertilizers, medicines, pigments, detergents, and more, and not only that, but it also helps in oil purification and metal smelting, as well as the development of the dye industry.

And the manufacture of sulfuric acid in our country also has a long history, in the distant Tang Gaozong period, there is an alchemist named Hu Gangzi, he recorded in detail in the "Yellow Emperor Jiuding Shendan Sutra" volume nine records a process called "refining stone gall extract essence", this is the ancient method of sulfuric acid.

It uses iron-containing sulfide minerals, which are distributed in many parts of the country.

And its refining method is also very simple, put it in a closed container for calcination, a series of wonderful chemical reactions will occur.

According to our current chemical knowledge, sulfur trioxide is present in the product of the reaction, and when sulfur trioxide is dissolved in water, it becomes sulfuric acid.

Since this sulfuric acid is calcined by chloride, it was called "chlorine alum oil" in ancient times. 】

The people of various dynasties watched the video on the canopy, and they did not expect that the "green alum oil" was actually refined in this way, and even some people had never heard of this kind of thing.

However, it may be introduced on the canopy, and many people are looking forward to it.

After all, for them, the harvest is the most important thing.

And this "alum oil" can be used to make fertilizer, which is a surprise to them!

However, those people who have seen "alum oil", how can they not understand how this kind of thing becomes fertilizer?

However, they also organized people to experiment, after all, fertilizer is the foundation of agriculture, and if they succeed in the experiment, they believe that they will be able to make a lot of money.

Not only are they organizing people to experiment, but businesses in various industries are also experimenting.

After all, according to the canopy, this sulfuric acid can not only be used to make fertilizer, but also can be used in various industries.

They also see the prospect and hope to be able to master this technology as soon as possible?

Qin Dynasty.

Qin Shi Huang looked at the introduction on the canopy, and he called the Mo family disciples again.

For Qin Shi Huang, only the children of the Mo family could imitate the things on the canopy.

And after reading the introduction on the canopy, he also very much hoped that Daqin could have this kind of thing.

After all, it is known as the "mother of industry", and Daqin can only develop with it.

So he gave an order to those Mo family disciples, asking them to make that "green alum oil" according to the information on Tianmu, and let Daqin have this kind of thing as soon as possible.

After the Mo family children received the order, they returned to their workplaces and gathered all the Mo family children to discuss how to make this "green alum oil".

After all, it's another novelty for them.

Although it made them fall into their hair every time, this feeling of brain knowledge also made them obsessed.

And as they learn more and more, it becomes easier to grasp the knowledge on the topic.

They looked forward to the day when Great Qin would be as prosperous as the future generations on the canopy.

I believe that Daqin at that time will also be extremely powerful.

Han dynasty.

Emperor Wu of the Han Dynasty Liu Che saw the video on the canopy, and he was extremely excited.

He likes to show such videos on the canopy, so that his craftsmen can also have such skills after learning.

This will also make the material richness of the entire Han more and more abundant, so that more people can have a skill.

This not only increased the national strength, but also improved the military strength of the Han Dynasty.

It's like when he learned how to make gunpowder in the canopy, he used it in his army.

Although the way they used it was relatively crude, it also greatly improved the chances of victory in the war of the Huns!

And now the canopy has introduced how to make this "green alum oil", which will also allow Dahan to have this kind of thing, and even research more things based on this.

After all, according to the canopy, this kind of thing can make fertilizers, medicines, paints, detergents, and so on.

So Emperor Wu of the Han Dynasty, Liu Che, gave an order to the craftsmen, asking them to make equipment for refining "green alum oil" according to what was said on the canopy.

After the craftsmen received the order, they hurried into action.

Since the appearance of the canopy in the sky, their lives have changed decisively.

They were not important before, but now they have become guests of honor in various departments of the imperial court, and they are asked by the emperor to make various things from time to time.

This greatly improves their status and allows them to display their talents on a larger platform.

And as they made one utensil after another according to the canopy, don't make the Han more prosperous, which also made them feel a sense of accomplishment.

And now that His Majesty had asked them to make the "alum oil" mentioned in the canopy, they began to act.

After all, the canopy is very clear about how to make "Green Sail Oil", and they only need to make it according to the steps.

As they began to act, countless businessmen of the Han people began to look forward to it.

After all, according to the canopy, this "alum oil" has a lot of effects.

If they can buy the "alum oil" made by the imperial court, then they can also give you hints on the topic and develop more possibilities!

Three Kingdoms period.

Cao Cao saw the video on the canopy, and he also hurriedly asked people to make it according to the tips on the canopy.

With the appearance of the canopy, the Three Kingdoms are no longer the original Three Kingdoms.

Because of the purchase of the books on the canopy and the blessing of Zhuge Liang, the development of Shu Han has already surpassed that of Wei and Eastern Wu.

If he doesn't try to catch up, I'm afraid that he Wei Guo won't have the last laugh.

And seeing that Na Shu Han's economy is becoming more and more developed, it is even more uncomfortable than killing him.

And after the craftsmen of Wei heard Cao Cao's orders, they also hurried into action.

For them, Cao Cao's orders were holy decrees, and if they did not obey them, they would suffer from hard labor.

And Cao Cao was also very generous, after they really did what they wanted, they rewarded them a lot, which also made them very fond of such a monarch.

And now the canopy has given all the steps to make "alum oil", and if they can't say it again, they will only laugh and be generous.

So they hurriedly took action and made all kinds of equipment according to the explanation on the canopy.

And all over the country to find raw materials for refining "alum oil", and then began to make it.

After their efforts, they finally completed their task and produced "green alum oil" in their time, completely one step ahead of the Shu Kingdom.

This made Cao Cao very happy, after all, this not only made him lose face, but also made his country develop faster.

(End of chapter)