(Cat flutter Chinese) Fang Hanniang, who returned home at this moment, did not expect that she had inadvertently caused a love debt.

She led her younger brothers and sisters, and returned home in a cart with a bunch of New Year's goods.

The last time I came back in the carriage of the county government, there were all kinds of rumors, some said that she climbed into a nobleman, and some said that she sold herself to a big family as a maid, and there were all kinds of things. As a result, within a few days, there was news that people from the county town had brought back, saying that Fang Hanniang was slandered by her grandmother Fang Tian, and it happened that the county master knew about it. The county magistrate was grateful for Fang Hanniang's poor situation, so he sent a carriage to send her home. When it came to the official family, there was a lot of gossip in the village all of a sudden, and they all talked about Fang Tian's harshness. That's why Fang Hanniang came back this time and pulled a lot of goods on the cart, which everyone could see, although it aroused a lot of curious and inquiring eyes, but no one dared to arrange some of them.

What if that pile of things was sent by the county magistrate?

The lower the people, the more natural awe they have for the officials.

Fang Hanniang picked up the things that were good to buy, and after cooking for her younger brothers and sisters, she went to Lao Qingtou, a contractor in the village to plaster people in the lime house, and got some quicklime, and by the way, she asked the sixth uncle to find her some plant ash, ready to start experimenting with making some handmade soap.

There is no caustic soda here, so you can only purify it yourself or use a less pure substitute.

Fang Hanniang, as a college graduate dog who has been ravaged by chemistry since junior high school, understands the principle of purifying caustic soda, and there is only one problem - now that there is a serious shortage of various equipment, raw materials are also scarce, what will this caustic soda look like, Fang Hanniang has no bottom in her heart......

Try it slowly, Fang Hanniang took a long breath, she already had a bit of tenacity and perseverance in her temperament, and this obstacle aroused her competitiveness even more.

There are still some wild red plums in the house, which Fang Hanniang originally planned to use to make tea and drink, and the amount is not too much, but now it is enough to extract the fragrance of flowers.

Fang Hanniang found the iron pot at home and prepared to do the most basic and simple distillation of wild red plums.

She put the plum blossom petals into an iron pot, added water, covered the pot and began to boil over high heat, after the water boiled, let it stand for a long time, and a layer of grease condensed on the water surface.

This layer of oil is the plum blossom sesame oil after steam distillation.

In order to improve the purity of plum blossom oil, Fang Hanniang repeated this step three times, and finally got a small can of plum blossom oil, which has a mellow fragrance and smells much better than those flavors sold in the world.

Fang Hanniang found an old dress and covered her mouth and nose, only revealing two eyes that were as bright as stars, like a great enemy, burned quicklime downwind, when it burned almost, add water, only to hear a loud sound, huge white smoke rose up, Fang Hanniang hurriedly closed her eyes and turned her back, and when the white smoke was not so thick, she turned around and stirred with a huge wooden stick, and now the quicklime in the pot has turned into lime slurry. Fang Hanniang took out the miscanthus salt, estimated the approximate dosage, and put it in the lime slurry.

Fang Hanniang also has no bottom in her heart, because there are really no measuring tools (only a simple scale), the purity of the material cannot be guaranteed, and she can't take the exact proportion, right, so she has to try slowly, fortunately, Fang Hanniang's luck is good, she didn't try a few times and succeeded, using quicklime and miscanthus to make caustic soda with good purity.

She had a rough idea of what the proportions would be with these things.

Caustic soda is corrosive, Fang Hanniang carefully used a cloth to pad her hand and then touched the container, for fear of burns.

In the past, there was a beautiful senior sister in the chemistry department of their university, and it is said that she was pushed by a malicious senior sister during an experiment, and her face came into contact with corrosive chemical raw materials...... Although he was sent to the hospital in time, his face was also disfigured and pitted, not to mention how heart-wrenching.

Fang Hanniang didn't want to encounter any experimental accidents in ancient times when there was a shortage of drugs under medical means......

The basic chemical equation of handmade soap is grease plus sodium hydroxide plus water, synthetic soap plus glycerin.

Now the sodium hydroxide, that is, caustic soda, has been refined, Fang Hanniang used distillation to make distilled water, plus sunflower oil purchased from the county, Fang Hanniang held her breath, carefully stirred one by one, and when the soap became thick from the water, she took out the plum blossom sesame oil she had refined before, dropped a few drops, stirred well, and finally carefully poured it into the mold - that is, the plum blossom small porcelain jar.

Fang Hanniang was overjoyed, and tried to make soap with plant ash as alkali raw materials, and also poured the prepared soap into the plum blossom small porcelain jar.

She wasn't sure which way to make the soap better. But she knew that the experiment could set up a control group, so she simply tried both methods to see which one was better.

After all this, it was almost late at night, and Fang Zhiniang Fang Minghuai was already asleep. The tired Fang Hanniang wrapped the two small porcelain jars in a quilt and put them on the kang head of the fire kang, and then breathed a sigh of relief.

Fang Hanniang boiled water and took a simple bath, and fell asleep with good expectations.

On the evening of the second day, Fang Hanniang calculated that there were almost twelve hours, and it would take twenty-four hours to convert to modern time, and her plum blossom handmade soap should also be demolded.

With excitement, Fang Hanniang took out two small porcelain jars from the quilt and buckled them upside down on the table, and two small and cute handmade soaps with the fragrance of plum blossoms appeared on the table.

For those who have never made handmade soap, it's hard to imagine the thrill of making such a round and cute little thing out of a bunch of things. Fang Hanniang sighed with satisfaction, and carefully compared the two pieces of handmade soap to the kerosene lamp.

Obviously, the handmade soap made of plant ash has more impurities, and it doesn't look as crystal clear as another piece, and the handmade soap made of caustic soda doesn't know if it's psychological, not only is it more rounded, but the aroma seems to be more elegant. Fang Hanniang couldn't put it down when she held it in her hand.

Fang Hanniang immediately made a decision, and used the refined caustic soda as raw material to make handmade soap.

Who made her handmade soap target audience a large number of beauty-loving women? For women, the appearance of skin care products is also very necessary.

Fang Hanniang brought a box and wrapped the plum blossom handmade soap with straw paper, now this handmade soap is still a semi-finished product, and it will take at least a month to saponify it, so it can be regarded as a real handmade soap. Fang Hanniang counted the remaining taels of silver in her hand, and there were almost three taels of silver, which was enough for the three of them to spend a year.

Fang Hanniang made several batches of handmade soap in full swing, and after demolding, all of them were wrapped in straw paper and put into a specially picked up box, stacked in a corner of the thatched house, waiting for it to be completely saponified.

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