Cultivation Industry Era

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"This is a beaker, this is a test tube, this is a stir bar, this is a thermometer, a balance, a weight, a naphtha blowtorch..."

A batch of laboratory equipment was transferred from Huang Mingshan overnight, and Zhang Hao explained it to Zhou Xueyao. At first Zhou Xueyao was still curious, but gradually she was serious. She could see that these things were of great use.

Zhang Hao introduced for a while, and then smiled: "Come on, let's start the experiment. Take a piece of ordinary water, low-level spirit spring, intermediate-level spirit spring, and high-level spirit spring, 100 ml.

Grind the dragon blood stone and mix it evenly. Put 10 grams of powder in each beaker and gently and evenly stir..."

Stir, continue to add, reheat...

A whole new world opened slowly in front of Zhou Xueyao.

As for Zhang Hao, as the experiment progressed, he also had a few surprises in his heart: It seems that this dragon blood stone should be ‘mutated’ saltpeter.

A few stone chips appeared at the bottom of the beaker, but the solution that dissolved the dragon blood stone showed a magnificent red color.

At the end of the experiment, Zhang Hao discovered that the high-grade Lingquan dissolved the most saltpetre. When heated to 90 degrees, 100 ml of liquid actually dissolved more than 300 grams of dragon stone powder.

Then, the liquid is filtered, and then condensed and crystallized, and a more translucent blood red crystal gradually precipitates under the beaker; the color of the solution also gradually fades.

"Look, it's purified." Zhang Hao pointed to the crystal at the bottom of the beaker and said to Zhou Xueyao a little proudly.

"I'll try..." Zhou Xueyao took the tool excitedly and got busy.

Zhang Hao was sitting next to him, looking at Zhou Xueyao, who was very busy; time passed a little bit, and it had been an unconscious night.

With the faint roar of chickens in the distance, Zhou Xueyao has refined the 50 jin brought by Zhang Hao into about 40 jin of pure crystals.

Over the night, Zhou Xueyao had mastered the concept of dissolution curve and knew the precipitation and crystallization. Compared with the traditional alchemy method, the new chemical method is unique and has some advantages from the beginning:

Simple, transparent and easier.

With the pure "Dragon Blood Stone Powder", Zhang Hao rushed out of the small courtyard excitedly, preparing to find some charcoal and sulfur. Not wanting to just come out, I saw a captain of the guard next to his father looking at himself with weird eyes.

"Wei Qiang, what is it?"

"Master, your master told you to go to the smelting base and say what succeeded."

"Oh... alright." Zhang Hao left after he finished.

Behind him, Wei Qiang squeezed his brows under his opponents: "Young Master spent a night here, a night..."

"I have also turned on the lights all night." The guards began to comment hotly.

…………

When Zhang Hao quickly came to the smelting base, he saw that his father and Cheng Tao were talking and laughing, and Huang Mingshan and others were listening to each other.

"Xiaohao, come here." Zhang Shengde was very excited. "Thank you, Master Cheng, I found a solution overnight."

So fast? Zhang Hao was a little surprised, but he still thanked him first, and then looked at his father, Cheng Tao, Huang Mingshan and others with doubtful eyes: Who will explain it?

Still Huang Mingshan Ji Ling, take Zhang Hao to check immediately.

The original solution...too simple! According to the hidden meaning in Huang Ming's discourse: In fact, this method was not discovered by Cheng Tao at all, but proposed by Huang Mingshan and others:

This method was also used by the Zhang family when producing the "new arrow", that is-molten coating.

It is to dip the arrow in the molten black iron water.

But now it is just a bath of freshly solidified steel embryos in ordinary black iron water, covered with a common layer of black iron. In this way, you can seal the formation method on the ordinary black iron layer.

This is equivalent to adding a soft shell to the hard steel.

As for the method similar to "porcelain firing" proposed by Zhang Hao at the beginning, it does not work. The flame is nothing. Zhangjia has oil; but after calcining again, it will destroy the performance of steel, and high temperature will cause softening deformation, condensation deformation and so on.

Zhang Hao listened and asked Huang Mingshan in a low voice: "Then Cheng Tao didn't contribute much?"

"No, there are quite a few. The thickness of the coating, even the thickness, weight, format of the weapon armor, etc., are all determined or modified by Master Cheng. Also, the master provides several simple but powerful The formation. It includes very practical formations such as armor breaking, defense, and reinforcement."

Zhang Hao nodded and looked at the freshly released steel armor and steel sword. The weapon armor modified by Cheng Tao, with an extra indescribable charm, seems to have taken a killing opportunity.

Zhang Hao suddenly felt that the design of Huang Mingshan and others in the past was at most rigid industrial design, but Cheng Tao's design was afraid that he had already brought a little art.

However, art is also a technology. We know that there is a word called the art of murder!

Cheng Tao just incorporated this ‘art of murder’ into the armor of weapons.

The elbows of the armor have spikes and the arm guards have added ribs-this increases the protection while ensuring a sufficiently low weight. The ridges just passed through the depressions of the cold ribs. These ribs also ensured the safety of the ridges and increased the life of the weapon armor.

The waist design appeared in the sword body. This waist design makes the sword more chilly.

The long knife is more slender, increasing the thickness of the back of the knife, deepening the blood groove, while greatly reducing the weight of the blade, and increasing the lethality of the knife.

In particular, a layer of soft black iron is attached to the surface, which can greatly absorb the impact force and increase the strength of the sword. The layer of black iron covered can also be carved. It can be described as a double benefit.

Zhang Hao nodded in satisfaction, encouraged Huang Mingshan a few words, thanked Cheng Tao once again, and said to his father, he took some charcoal, sulfur, and some ordinary saltpeter powder that he had previously extracted and left.

"Charcoal", Zhang Hao selected three types: charcoal, bamboo charcoal, and petroleum smelting coke.

For the time being, there is only one kind of sulfur, just ordinary sulfur; for the time being, Zhang Hao has not found the sulfur of the ‘spiritual attribute’.

When returning to Zhou Xueyao's small courtyard, Zhou Xueyao was having breakfast; an extra was prepared next to it. Seeing Zhang Hao coming back, he immediately bowed his head and looked ashamed.

"What's wrong with this?" It was generous before, why is it now a shameful beauty?

Looking at the smiles of the maids next to him, Zhang Hao was a little puzzled, but he didn't go too far.

After eating breakfast hurriedly, Zhou Xueyao took the materials brought by Zhang Hao and began to mix different proportions of gunpowder.

Zhang Hao vaguely remembered that the formula of ordinary black gunpowder is: 7.5:1.5:1; before the experiment with ordinary saltpeter, this ratio is indeed the most powerful. But do not know what will happen to the Dragon Blood Stone?

It's just that Zhang Haoyi's opening is this ratio, which makes Zhou Xueyao very doubtful.

"We have done a lot of research before. It's just that the power of ordinary black powder is really limited, so we didn't take it out."

"Oh..." Zhou Xueyao looked at Zhang Hao for a while with skeptical eyes before he began to equip brand new gunpowder.

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