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Liu Jin gently pinched off a little coarse salt, then put it in his mouth and tasted it.
"Bah~"
Soon, Liu Jin vomited it out.
The taste of this coarse salt is really bad. The snow-white and snow-white refined salt of later generations only tastes of salt and does not have other impurities. However, this coarse salt tastes very light but bitter and astringent. Takes up the bulk.
"This salt tastes terrible."
Liu Jin vomited several times and couldn't help but say at the same time.
"Of course the sea salt we cook is not as good as the pool salt from Shaanxi and Shanxi, nor the well salt from Sichuan, let alone the green salt that only the wealthy landlords can afford."
"The sea salt sold in the market is only sixty or seventy cents per catty, but the pond salt and well salt cost over a hundred cents per catty. The best green salt is said to cost two to three hundred cents per catty. It can't be compared. It can't be compared. .”
"However, although the pond salt, well salt and green salt are good, their yield is not much. Especially the yield of green salt is extremely low. Although our sea salt has a bad taste, its yield is very high."
Hearing Liu Jin’s words, Zhao Heishan smiled, showing his black and white teeth, and said all the salts.
"This salt can be divided into pool salt, well salt and green salt?"
Hearing Zhao Heishan’s words, Liu Jin was slightly startled.
Coming from a later generation, he naturally had never heard of the difference between salt. He only knew that salt is divided into iodized salt and non-iodized salt. He had also grown up eating iodized salt since he was a child. He just knew that eating iodized salt could prevent big neck disease. .
"Of course, the salt produced in different places is completely different. Even if they are all sea salt, the sea salt in different places is also different."
"The sea salt we cook in Changli is white and yellow, while the sea salt produced in Shandong is white and red. They are all different. This pool salt is also different from the well salt. The pool salt is made from brine mined from the saltwater lake. Well salt is mined from brine wells, while sea salt is made from seawater and cooked in brine from the seaside. Each type of salt is different."
Although Zhao Heishan is a farmer, he knows a lot about salt. This made Liu Jin very curious, so he thought about it and asked.
"Uncle Heishan, where did you know these things?"
“I didn’t know about these things at first. The salt traders who came to collect salt in our village told us about it. They traveled all over the country and were well-informed. They also did this for a living, so they naturally knew it.”
"Each of these salt dealers has their own territory, and the salt produced in each territory is also different. Sometimes you can tell if someone is crossing the border to do business at a glance."
Zhao Heishan smiled and said.
"This green salt can be sold for more than 200 yuan per pound, which is many times that of other salts. What is your green salt like?"
Liu Jin nodded, and then remembered that the green salt he just said can be sold for more than two hundred yuan per catty. This price is more than ten times more expensive than the coarse salt, which is really incredible.
"How do I know what green salt looks like? It is said that this green salt is only used by wealthy officials and landlords. People from wealthy families are said to use this green salt to brush their teeth in the morning."
Zhao Heishan shook his head and said.
Hearing this, Liu Jin probably understood what was going on. The sea salt cooked by Zhao Heishan and others is what later generations called coarse salt. Because this coarse salt has not been refined, it contains a large number of impurities.
These impurities include insoluble soil, fish bone powder, shell powder and the like, as well as soluble magnesium chloride, calcium chloride and other impurities.
Because there are too many impurities, the salt looks impure in color, unlike the snow-white purified salt of later generations. At the same time, the taste is also very bad. Various flavors are mixed together and occupy the main the taste of.
Green salt is expensive. It should be because this kind of salt contains fewer impurities and has a relatively pure taste. In addition, the production is limited and can only be supplied to powerful people, so the price is naturally very expensive.
"Perhaps this is a good way to make a fortune. If this coarse salt is purified to obtain the white snow refined salt of later generations, based on the price of green salt, a pound of salt is more than 200 yuan, then at least there is no way to make a fortune. Any questions.”
Thinking of this, Liu Jin's eyes couldn't help but light up.
Although Liu Jin is a scumbag, he is at least a person who has experienced formal chemistry education in later generations. He can understand the truth at a glance. As for refining coarse salt, it should be divided into two steps.
One is to remove insoluble impurities,In ancient times when it was not allowed to go to the sea, the fishery resources in the ocean were extremely rich. Even when Liu Jin was walking on the beach, he could see dead fish washed up on the beach by the sea water.
"If you leave such a treasure house and don't use it, you will stick to that one-third of an acre of land."
Tired of catching crabs, Liu Jin sat on the rocks at the beach, looked at the vast ocean in front of him, and couldn't help but shake his head.
Liu Jin, who traveled through time from later generations, really couldn’t figure out why the sea was banned. There were countless fish, shrimps, crabs, etc. available for consumption in the sea. He could catch them casually without starving the land.
There are countless treasures in this ocean, and the profits from ocean trade are astonishing. If a piece of silk from the Ming Dynasty could be shipped to the West, its value would be comparable to gold.
"Damn Zhu Chongba, small farmers are still small farmers after all. When you become the emperor, the pattern is still very small." (Remember the website address: www.hlnovel.com