...

A3-6 area.

As a wilderness UP master, Ogawa has a lot of performance elements and credits from the props group, but he is obviously much stronger than the average player.

At the very least, he would not be outrageously hungry when he was hungry. He occasionally opened up meat, and he lived a good life among the players.

But he also had a problem with table salt.

I thought that in the videos he made, he secretly ate it with salt, and the methods of obtaining salt in the performance were somewhat useful, but the taste and quality were really difficult to compare with refined salt.

For now, he had to purify nitrates to supplement the balance of inorganic salts in his body.

And how to extract the nitrates...

That's pooping!

The feces are collected on the soil, and after the feces are decomposed together with the organic matter in the soil, nitric acid is produced by the action of nitrifying bacteria.

Nitric acid further interacts with arsenic, calcium and magnesium in the soil to form potassium nitrate and its calcium and magnesium nitrate, which is soil nitrate.

For example, the fluffy white molds precipitated on the soil walls of pigsties and toilets in rural areas have high potassium nitrate content, which is a good soil nitrate.

Then, the soil nitrate is dissolved in water, and the plant ash is added to carry out a precipitation reaction, and then filtered, crystallized and purified to obtain nitrate.

Although eating too much of this salt is not good for the body, and it will be very disgusting when you think of the extraction method, and most people may not be able to eat, but it is indeed a good way to do it outside the ocean.

At least eating poop helped Xiaochuan get through the salt predicament in the early days of survival.

..........................................

A2-2 area.

The Wu family brothers and sisters who still persisted in the jungle were barely able to satisfy their hunger with food resources, and there was no shortage of water sources, but they also encountered major problems in terms of salt.

The two have always been industrious in the show. At the age of sixteen or seventeen, they showed unique tenacity from the very beginning of the competition.

They have become children of other families in the eyes of many mothers and children, and are often used to educate their children.

And the children always bring out the scumbag to refute, to prove that laziness is more powerful than hard work, and those who live comfortably in their childhood will inevitably be beaten by their mothers.

Then the two sides formed two different forces, the hardworking faction and the lazy faction.

But now, the hard-working brothers and sisters of the Wu family can't do it either.

It is precisely because they are too hardworking that their body sweats too much. Although inorganic salt ions are excreted through sweat, the salt is seriously imbalanced.

Now that the two of them have edema, even extracting the potassium salt from the plant ash is not enough to relieve their lack of salt, which is even less effective than the method of Ogawa.

"Sister, let's go down the mountain to find salt!"

"Okay, I'll listen to you."

Together, the Wu family brothers and sisters decided to go down the mountain and go to the seaside to cook salt!

But their decision was too late, three days after Chu Zihang went down the mountain.

Whether their state can support them to successfully descend the mountain to find the salt is a very difficult problem.

................

The program time has reached the seventh day.

Now the contestants have abstained 1426 places, and half of the contestants have left the stage.

It is different from the wave of abstentions caused by the first wave of psychological adjustment problems.

Most of the players who abstained from this wave suffered from physical problems due to survival problems such as salt, food, and disease, and they really couldn't survive.

Most of them have encountered serious salt loss problems.

The remaining players are all smart and have their own way of getting their salt.

Some of them rely on technology to extract nitrates and ash salts of plants and trees. Some lucky players land on the beach and can extract sea salt. Some of them have found a plant that can replace salt, or some have found salt mines. The method is different. All in one.

And as long as they can survive this wave of hardships and find a sustainable way to survive, as long as they don't encounter dangers, diseases, psychological problems, etc., they are very hopeful to last for a month.

..........................................

The sun shone slightly on the mountain stream, and a small boat appeared at the turbulent estuary. The speed of the boat was very fast, and it was not so easy to stop.

And if you can't stop in time, once the boat enters the sea, the turbulent waves are likely to swallow the boat into the waves!

The estuary where the raging waves hit the shore is no joke!

The audience watched in shock. At this moment, everyone was worried about the scumbag, for fear that he would be swept away by the huge waves.

Chu Zihang's face was awe-inspiring, standing alone on the Sea Dragon, he slowly raised the divine arm crossbow!

For this scene, Chu Zihang specially made a crossbow as an anchor to temporarily stop the ship!

This crossbow bolt is tied to a long rope, and one end of the long rope is tied to the stern of the Sea Dragon.

Chu Zihang put this special crossbow on the God Arm Crossbow, and finally aimed at a big tree in front of the sea entrance!

It's up to you!

Chu Zihang held his breath, did not panic, and 'clicked' the trigger.

Master-level archery reappears!

"Whoosh!"

With a sound of breaking through the sky, the crossbow arrow shot at the tree with a circle of ropes!

'Boom! ’

There was a sound of flesh piercing, and the wood chips flew over the tree, and then sharp arrows were embedded in the trunk.

With the rapids of the boat, the rope between the nock and the stern gradually collapsed.

"Bang!"

As the rope tensed up sharply and made an infuriating sound, the Sea Dragon oscillated obviously, and was pulled to a stop!

"NICE!"

Chu Zihang was lying on the bow, showing a satisfied smile.

Then, after the boat regained its balance, he picked up the horse-leg oar and slid the boat to the shore and dragged it to the shore.

As soon as he landed on the shore, Chu Zihang didn't go to rest any longer, and immediately began to prepare the process and tools for boiling salt.

There are not many tools, just a few simple pots, two filters, and a little wood that is chopped at random to burn the fire.

Of course, seawater can not be less, the main raw material is it.

Chu Zihang ran to the beach, used TT to pick up two liters of seawater, and poured it into the pot.

Smell the salty sea water, Chu Zihang was even more thirsty.

But Chu Zihang didn't dare to drink seawater directly. Seawater contains a lot of heavy metals. Take a sip and it will be a periodic table of elements! ! !

· · · · Flowers 0 0

The next job is simple.

Set up the bonfire and put the small pot on the bonfire.

Chu Zihang took out the reeds made of reeds, and moved the bamboo tube away. The reeds, which were originally black and seemed to be extinguished, ignited in the wind, and red sparks appeared.

Chu Zihang quickly put the reed on the tinder ball, and it didn't take long for the tinder ball to have an open flame.

The extraction of crude salt is very simple, with three steps, filtering, boiling, and crystallization.

If there is quicklime, a further precipitation purification can be added.

But Chu Zihang is not so good now, just boil the water.

When the seawater in the pot was boiled by one third, some crystals finally gradually precipitated in the pot.

Chu Zihang's face full of soot showed big white teeth, and he smiled very brightly!

The first salt is here!

The principle is very simple, which is the simplest solubility knowledge in chemistry.

At room temperature, many compounds are dissolved in seawater.

However, when the temperature of seawater rises, the solubility of sodium chloride hardly increases. As the evaporation of solvent water decreases, sodium chloride will reach saturation and continue to evaporate, and sodium chloride will be precipitated.

...... 0

The solubility of other potassium nitrate, sodium nitrate or other heavy metal ions increases rapidly with the increase of temperature, so even if the solvent evaporation decreases, they will not be precipitated.

Therefore, a relatively pure sodium chloride salt can be obtained.

And the remaining seawater Chu Zihang did not throw away, this is precious brine, and it can save a lot of time by using them next time when it evaporates.

He poured out the precipitated sodium chloride crystals with a spoon, and he couldn't wait to put a piece of salt into his mouth with his black fingers. The salty feeling made him quite excited. He hadn't eaten salt for a long time, even if it was this The kind of coarse salt still moved him.

He took out a ball of salt and put it in his mouth, Chu Zihang grinned straight at the salt.

"Give these to Xiyue first, otherwise she won't be able to hold it anymore."

Chu Zihang stopped after a few bites.

First, it was too salty, and secondly, his lack of salt was not that serious. Lin Xiyue was the one who lacked the most salt now.

But how to send the salt back stumped Chu Zihang.

Now it's not worth it to run back for such a little salt.

But once it is cooked and sent back together, it is estimated that it will have to wait until tomorrow. Whether Lin Xiyue can hold it is a big question.

Chu Zihang racked his brains to think of a lazy way to kill two birds with one stone, but the predicament in front of him was really difficult to solve.

After a while, the other seawater began to be purified.

"Yes! Is my name Chu Zihang Lazy King a false name of Lang?"

Chu Zihang finally thought of a brilliant idea, and he blew a wave of B, proud yuppie!

Then he decisively took out the condom!

TT man is back again! !

PS: Yesterday, the headache was due to a fever, and I died in the middle of the night.

Today I went to the hospital for treatment, and I had an infusion for 4 hours and four bottles of water.

Before going to bed, try to write 1W words.

Tomorrow, when I feel better, I will open the 12,000 shift!

The wonderful plots are one after another, and you will not be disappointed. zero.

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