Heroes of Silver Moon

"Carts and warheads are easy, but propellants and primers are the most difficult, both of which require chemical compounds"

Sitting in front of the console, Simon murmured to himself with his hands folded.

The earliest gunpowder weapon on Blue Star used black powder as the propellant.

Black gunpowder is easy to make, as long as some saltpeter powder, sulfur powder, and charcoal powder are mixed in a certain proportion to make it.

However, the power of black gunpowder is small, and a large amount of residue is left after burning. It is okay to be used as a propellant for flintlock bullets, and the barrel of the flintlock can be cleaned after use.

But the propellant with fixed bullets is a bit uncomfortable.

After all, the structure of the bolt-action rifle is there, and it is impossible to clean up the residue caused by the burning of black powder.

Therefore, the propellant of the customized bullet must be a smokeless gunpowder that burns more violently, is more powerful, and has no residue after burning.

However, in the natural world, according to the research of Blue Star's modern gunpowder experts, it seems that there is no such thing, and it must be produced through chemical reactions.

Simon remembered that the earliest smokeless gunpowder was gun cotton made by soaking cotton in nitric acid, and its official scientific name was nitrocellulose.

But this kind of nitrocellulose is not very stable, and it will spontaneously ignite when the temperature exceeds 40 degrees, so it is not actually a suitable propellant.

Later, chemists mixed this nitrocellulose into ethanol and ether to produce a safer and more stable smokeless gunpowder.

The chemical base of this world is almost zero, so Simon has to make it from scratch.

Where to start? The first step is to find the saltpeter first!

To make gun cotton, nitric acid and cotton are necessary.

Although cotton is quite expensive in this world, it is at least a common material.

To make nitric acid, Simon had to find a lot of saltpeter.

"Nitre, saltpeter," Simon thought hard.

Before the invention of gunpowder, things like saltpeter were almost useless. It is really troublesome to get such things that no one pays attention to!

"Should I scrape the wall of the college toilet, or ask the teacher to see if he knows about this kind of thing," Simon whispered.

To get saltpeter, Simon now has two options.

First, the urine secreted by humans and animals will form a layer of "hoarfrost" after it dries, and this layer of hoarfrost will contain a large amount of nitrate.

Generally speaking, there will be such things on the walls of toilets that have a large number of users or have been used for a long time.

Second, to find his dear Mr. Clifford, and inquire whether there is such a substance as saltpeter.

Although the name may be different in this world, the nature of the substance will definitely not change. As long as you tell the nature of saltpeter, Clifford should know what it is.

After all, as a senior alchemist, it is impossible not to be proficient in material science!

Huh? Why does the above sentence have a sense of sight?

After thinking about it, Simon decided to go to Clifford.

After all, going to the toilet to scrape the nitrous powder, this will be regarded as crazy, okay!

After finding Clifford again, Simon explained the nature of the nitrate, and Clifford really knew what Simon was talking about.

"Well, why are you looking for Leng Shi?" Clifford looked at Simon suspiciously.

What Simon said, he knew what it was as soon as he heard it.

But things like cold stone, except that in summer, nobles would put them at home to cool down, basically have no special use. They are materials that are too small to be small.

Why is Simon looking for this kind of thing? Clifford was confused.

"Well, it's useful anyway," Simon rubbed his nose and laughed.

Clifford's eyelids twitched, what on earth is this kid trying to do?

In the alchemy workshop of the School of Magic, there is a yard dedicated to storing various materials. Although saltpeter is a rare thing, it is also included in this yard.

Following Clifford's instructions, an apprentice alchemist soon held a piece of saltpeter the size of a watermelon and placed it in front of Simon.

Clifford looked at Simon and asked blankly, "Is it enough?"

Simon nodded happily, and quickly moved the saltpeter to his operating room.

Seeing Simon leaving in a hurry, Clifford silently deducted a sum from Simon's deposit slip.

After all, saltpeter is only used by nobles, so the price of a large piece is not low!

Simon returned to his operating room, first put down the saltpetre in his hand, and then began to think about the process of making nitric acid.

After a while, cold sweat overflowed Simon's forehead.

Mud, it seems that sulfuric acid is needed to make concentrated nitric acid and accelerate nitrated nitrated cotton!

Thus, Clifford saw Simon who had gone and returned again.

The nature of sulfur was described again, and Simon got sulfur from Clifford again.

Taking out several empty quartz medicine bottles, Simon scraped some saltpeter powder and sulfur powder respectively.

Put the saltpeter powder into one empty bottle, and the sulfur powder into another empty bottle, and Simon immediately began to extract the two acids.

The specific method is also very simple. First use distillation to distill two bottles of pure water without any impurities.

Then use the fire element to heat at high temperature ~www.readwn.com~ to melt the powder in the two bottles and filter out impurities.

After filtering out the impurities, the fire element was mobilized to violently burn the two substances.

After the two powders were completely burned, Simon manipulated the gas element again, injecting the gas in the two bottles into the two bottles of pure water respectively.

After introducing the gas, Simon quickly labeled the two bottles.

After waiting in peace for a day, Simon got a bottle of sulfurous acid and a bottle of dilute nitric acid.

Open the lid of the nitrous acid bottle to let the oxygen in the air continue to oxidize the sulfurous acid in the bottle. After waiting for another day, Simon made a bottle of dilute sulfuric acid.

The fire element is used to heat the dilute sulfuric acid to volatilize the water in it, and the dilute sulfuric acid is converted into concentrated sulfuric acid, and the dilute nitric acid is also processed in the same way.

After three days of continuous work, Simon finally produced concentrated sulfuric acid and concentrated nitric acid

Pour two kinds of concentrated acids into a bottle, and Simon took out a ball of cotton that had already been prepared, and dipped it directly into the mixed acid.

In fact, nitrocellulose can be made from concentrated nitric acid alone, but the process is too slow.

If you want to quickly make gun cotton, you must add sulfuric acid as a catalyst.

After the cotton was soaked in the mixed acid for a day, Simon carefully picked out a small ball of gun cotton.

Drying the ball of gun cotton, Simon manipulated it with mental power and floated the ball of gun cotton into the air.

The fire element was activated, and a little spark suddenly lit up on the gun cotton.

boom!

A mass of flames lit up violently, and in the blink of an eye, the cotton wool disappeared without a trace.

There was no smoke, no residue, just like a magic trick, except for a flash of fire and the burning of the cotton, there was no trace left behind!