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Chapter 845 Chapter 845· Homemade Mosquito Repellent Water

Zhang Yang, who was rummaging through the locker in the living room, heard He Xiaoman who was busy in the kitchen asking curiously, and asked a little puzzled after he stopped.

"I'm looking for alcohol and DEET. I remember last time I put them in the locker in the living room. Why are they gone?"

He Xiaoman doesn't know what repellent is, but she knows about alcohol. After all, she packed it up. It seems that after Zhang Yang went out last time, she bought a bunch of medicines and stuffed them into the locker in the living room. .

"I put them all in the bedroom, go find them, it's in the sundry area!"

L received instructions from his wife, Zhang Yang ran to the bedroom, quickly found what he needed in the storage space, and happily returned to the roof terrace.

After placing all the things he took down on the table, he looked at the drone that came back from the river and said to the fans in the live broadcast room.

"It's just right, I'll make it up for everyone. It's actually very simple. You can prepare a small transparent box or something else instead, and then you can buy alcohol disinfectant on the market. This is to prepare insect repellent and Needle."

After letting the people in the live broadcast room take a look at the things he put on the table, Zhang Yang opened all the lids, and then used the needle tube to suck them out according to the ratio.

"A small square box, filled with 30ml of pure water, anyway, add 20ml of mosquito repellent, and prepare 75ml of 40% alcohol. People who need it can also prepare some perfume. It takes too much, about 10ml is about the same.

In this way, a mosquito repellent water with a concentration of about 20% can be prepared. At that time, you only need to put it in a small watering can and spray it on the skin.

By the way, alcohol depends entirely on personal needs. Of course, I prefer the cool feeling brought by the evaporation of alcohol on the skin. Alcohol is not necessary, after all, DEET is soluble in water. "

Holding the needle, he easily poured all the ingredients into the transparent small box filled with water. After stirring evenly, Zhang Yang poured all the liquid inside into a small watering can.

At the same time, I did not forget to remind the people in the live broadcast room to pay attention.

"By the way, there are a lot of 2.5%, 4%, and 5% mosquito repellent water on the market, and it is very convenient to buy. The 20% concentration I adjusted today is relatively high. In fact, the effect of 10% is almost the same. .

And you must not think that the higher the concentration, the better the effect. In fact, the concentration is only related to the length of time.

The higher the concentration, the longer the duration, and the lower the concentration, the shorter the duration.

The one I adjusted can last until we have finished dinner, but when you use it yourself, try to halve the dosage, the concentration should not be too high, below 10% is fine, and it is recommended not to use it frequently. "

While talking, He Xiaoman came over from the direction of the stairs carrying two dishes, Zhang Yang hurriedly put the newly prepared mosquito repellent water on one side of the table, and then immediately went down to serve other dishes.

After he came up, He Xiaoman, who was looking at the small watering can in his hand, looked at him with a half-smile and asked?
"Husband, you got my perfume to the point and just got this thing out?"

Putting the other three dishes on the table, and then putting the dinner for the four little guys aside to let them settle on their own, Zhang Yang stood up and nodded and said with a smile.

"Of course, I mixed a little mosquito repellent water, and it was very effective. I was a little worried because I only had mosquito repellent lamps, so I made some.

Doesn't it smell better with perfume added? It's okay, your husband, I'll get you a few more bottles tomorrow! "

……

Shi Gaoyang will be a little upset now, probably watching his favorite anchor enjoying the riverside scenery on the roof of the car can make him feel a little more relaxed.

But the damned mosquito was buzzing around him again.

It seems that this mosquito has been pestering him since he started working in the afternoon. He has frequently expressed his dissatisfaction and anger by twisting his body and waving his arms.

But that damned mosquito still surrounded him from far and near, repeating that monotonous and indifferent buzzing sound, as if mocking his incompetence and fragility.

There is no way, the workload is too heavy, the mosquito coils are used up, and there is no other mosquito repellent equipment, so he can only stay here for a whole afternoon.

He had been bitten hard on the back of his neck long ago, and that damned mosquito also sucked up the blood and left him a big bag. Now he can only work while enduring the sting on the back of his neck. It was so itchy that I didn't dare to scratch it.

But I don't know how long it took, that damned mosquito came buzzing over from some corner, and felt that he was disturbed.

That damned mosquito is probably hungry again, and he simply ordered a takeaway for dinner to fill his stomach. This time it was already past 6 o'clock in the evening. The night is very long and the mosquitoes are very annoying. He is still there tonight. Have to work overtime.

Just now, that damned mosquito landed on his arm unscrupulously, and was about to pierce the skin with its long needle-like mouthparts.

Suddenly, the image of the professor wearing gold-rimmed reading glasses and holding a magnifying glass to review his own documents flashed in his mind.

I don't know how long it took, and even more irritable, he simply dropped his work and turned his head to watch the live broadcast. At this time, the anchor he liked seemed to be doing some experiments.

Is that alcohol?It seems that there is something called DEET.

The idol is preparing mosquito repellent?

Every step is very clear, and the amount of idols needed for something is also clearly described. However, there are no eggs, alcohol, and needles and other things in the medicine box, but there is really no mosquito repellent.

Shi Gaoyang, whose eyes were bright just now, drooped his head instantly.

The door of the office was suddenly opened from the outside, and when I turned around, I found that the professor walked in with something in his hand.

"Xiao Shi, what is this thing? I don't know who put it in my office some time ago. I think it says benzamide or something on it. It can't be a chemical, right?"

The professor teaches history. At this moment, he walked in with gloves on and holding a bottle of liquid.

He vaguely heard something about benzamide. Shi Gaoyang vaguely remembered the chemical name of the insect repellent amine he had just watched on the live broadcast. His eyes lit up, and he quickly got up and walked towards the professor, and then took the bottle of liquid in his hand.

N,N-Diethyl-3-methylbenzamide!

It's insect repellent, although I don't know who threw it into the professor's office, could it be that other seniors have used it before?

Forget it, never mind, this thing really appeared just in time!
"Professor, you saved my life. There are too many mosquitoes in the office. This is DEET, which can be used to make mosquito repellent water."

And hearing his words, the professor's eyes lit up, and he looked at him impatiently and asked.

"Xiao Shi, are you sure this thing can be used to adjust mosquito repellent water? The electric mosquito coil in my office doesn't work at all, and I got two big bites on my arm in just a short while."

"It works, it definitely works. Just now my idol taught us in the live broadcast room. I was still wondering where to get insect repellent. Professor, you brought it here!"

(End of this chapter)