"What are you laughing at, the Inspection Department is a law enforcement department, how can you directly do these dirty things, and how to end up if it gets out!" Wang Shigan's work itself is unsightly, and it is understandable that he is darker in his heart.

But Wang Twelve is different, she is the dignified director of the public security bureau and the vice president of the court and the chief prosecutor, and she must be clean and self-conscious, and she must not have any flaws in her character.

"Lord Zhizhou has already made a perfect plan, once the news is revealed, the tenth sister will arrange someone to take the blame, I just need to say that he is a temporary intern of Western Xia hired by the Inspection Department, and Lord Zhou will help prove it. Then hang the person on the wooden pole, no one will hold it accountable, but hate the Tangut people even more. ”

Wang Twelve was not convinced by the criticism of the colt, because she had already thought about the problem and had taken precautions, so she should not be criticized, but should also be praised.

“…… When you grow up, the officials will be relieved to hand over Huangzhou to you. Continue to monitor these three companies, don't act rashly, now is not the time, wait for the official to complete the currency reform and then go back to these people to settle accounts. ”

As soon as I heard that there was still a day mixed with Hong Tao, there was no worry, although this woman was only a few years older than the children of the Youth League, she was very experienced in society, and she handled things very clearly.

In the past two years, she and Liu Song have cooperated with each other to run Huangzhou steadily, so that they have enough spare time to deal with foreign enemies.

The plan of the year lies in spring, whether it is farming or grazing, spring always begins. Farmers are busy plowing the land to expose the eggs to the sun, while also turning the leaves of the dry weeds underneath them, which naturally become fertilizer.

Herders have to take care of the ewes and cows that are about to give birth, not only by feeding them more good food, but also by keeping an eye on climate change, which can often wipe out a year's hard work.

The merchants were not idle, and as the temperature rose and the snow melted, the roads were still a little muddy, but as long as they could walk, they would never stop pouring goods. Groups and caravans of different sizes also set off one after another.

To the north is to Mawei City and Liangzhou, where there are cheap livestock, expensive glass, and novel woolen textiles. Those heading east are back to the mainland, and the animal skins that have been accumulated for the winter must be shipped back as soon as possible before they can be sold for a good price.

In the past, there were very few caravans heading west, because the Qingtang side was not very stable, and the rough Tubo people had nothing good to exchange. However, there have been great changes this year, and Huangzhou, Mawei City, and Liangzhou City have posted notices to purchase a large number of soil alkali.

This thing didn't have much sales before, so no one went to Qinghai Lake to sell it. Now it has suddenly become a pretty commodity, which can be exchanged for glassware, wool textiles and canned food. How can businessmen bear it, even if they are not familiar with it, they have to try their luck, once they are born and twice cooked.

The most important thing is that Qingtang has changed its owner, and he is not an outsider, but the former Huangzhou regiment training envoy Xi. It stands to reason that after working with Lord Shuai Si for more than a year, how can you learn some business skills, and you shouldn't be too harsh on the caravan from Huangzhou.

In fact, Xi Luosa is also looking forward to the caravan from Huangzhou, the reason why he can sit firmly in the position is not all by force, but more by profit, which he did learn the truth from Hong Tao.

What about the caravans, goods, food, and weapons promised last year? If he can't fulfill his original promise, then he won't be in this position, let alone think about any expeditions to the west, and it will be God's grace to settle the internal level.

There was another thing that accompanied the caravan out, rumors, or rumors. This time, the source of the rumor is more powerful, and it is said that it started in an ironmaking workshop in Huangzhou. The content is rather unbelievable, and many craftsmen from the mainland have written home to ask their families to buy a large amount of gold with spare money.

Gold is a precious metal that is not very useful in the Northern Song Dynasty, and is generally only used as jewelry and ornaments, and no one will deliberately accumulate it. Moreover, the price of gold is very expensive, and ordinary families cannot afford to save it if they want to.

There were very few gold producing areas in the Northern Song Dynasty, and according to the materials mastered by Hong Tao, there were only six states in the country, including Deng, Shang, Rao, Xin, Ting, and Nanen.

Dengzhou belongs to Jingdong East Road, which is the Shandong Penglai generation of later generations; Shangzhou belongs to Yongxing Military Road, which is the east of Jingzhao Mansion, and is later Shangxian County, Shaanxi; Raozhou belongs to Jiangnan East Road, which should be the area east of Poyang Lake and west of Jingdezhen in later generations. There are not only gold mines here, but also a major copper producing area, and Dexing City is known as the copper capital of China.

Xinzhou is also on Jiangnan East Road, and was called Shangrao City in later generations; Tingzhou belongs to Fujian Road, which was later changed to Changting City; Nanenzhou belongs to Guangnan East Road, which is later known as Yangjiang City, Guangdong Province.

There are a total of six gold producing areas, four of which are all south of the Yangtze River, and one Dengzhou is farther away from Huangzhou than Jiangnan, and the nearest is Shangzhou. Unfortunately, the gold production here is very low, with an average annual tax of about 35 taels for the three mines, which means that the output of each mine is less than 200 taels.

The Northern Song Dynasty adopted a 28 tax on gold mines, with the state taking 20 percent, and the remaining 80 percent being bought by the state or freely sold at official prices, depending on the situation. According to Yuanfeng's four-year record, the total amount of gold collected and bought in the whole year is more than 10,000 taels, which is indeed a bit small.

The crown family can help buy gold in Tingzhou, Nanenzhou, and even Dengzhou, but it is far from quenching their thirst, and they can only rely on these merchants if they want to quickly obtain enough gold as currency. If the profit is enough, even if the gold is produced on Mount Everest, they can find a way to deduct it.

In addition to the source of gold, Hong Tao also had to design a gold coin with a reasonable weight and a suitable value as the standard currency.

The most important thing is to refer to the gold price of the Northern Song Dynasty, don't be busy for a long time and there is a result like copper coins, everyone doesn't spend gold coins, they are all saving to cast the golden Buddha.

In areas controlled by the Northern Song Dynasty government, gold was banned, and only the official price was imposed. The initial price was 10 times, while the price of silver was consistent. However, the price of silver fluctuates relatively largely, rising and falling, while the price of gold is relatively stable, basically rising slowly.

When Shenzong ascended the throne, the gold price on the market was around 123 guan, and in the fifth year of Yuanfeng, the gold price on the market was also within 15 guan.

However, there are some data that Hong Tao can't understand, such as purple grinding gold, high-grade gold, inferior gold, golden sand, and other grades, and the price can be two or three times different from each other, which is estimated to be different in purity. Anyway, purple milled gold is the purest gold in the Northern Song Dynasty, and the price is also the highest.

So how do you distinguish the purity of gold? The ancients relied on observation and experience, and the specific gravity could not be measured finely, but could only be guessed.

For example, purple grinding gold, even if it is relatively pure, the purer is called red gold, and it is not clear what kind of red law Hongtao is. He didn't want to be clear, because he wasn't prepared to use the existing purity as a standard. Since it is its own currency, I'm sorry, I can only be domineering once, according to my own standards.

The ancients already knew how to use mercury to purify gold, and later generations gave it a name called amalgamation. It is ground with mercury and golden sand and water, gold and mercury form amalgam, and then heat to evaporate the mercury, and the rest is gold. If it is not pure enough, then repeat the amalgamation process several times, and it is estimated that the purity is more than 95%.

However, mercury is highly toxic, and if you don't pay attention to it, you can get human life, so purifying gold is a very technical and deadly job in ancient times, and ordinary people can't do it.

Hong Tao didn't plan to grab this bowl of rice with the ancients, and there was no need to improve the technique of purifying gold. He felt that it was enough to obtain relatively purer gold in the simplest way on the basis of the ancients.

The solution is very simple, add the gold with insufficient fineness to borax and melt, and the impurities in it will be oxidized by boron and float on the upper layer, and after removal, it can be purified. Don't throw away the impurities that are removed, save a little more and dissolve them with strong acid, and you can get a part of pure gold after filtering and evaporating.

This is the place where Hongtao chicken thieves can issue currency, and they are still thinking about how to take advantage of it. It's not that he doesn't open his eyes, but because of his personality, if he can't take advantage of what he does, he will be so embarrassed.

But you can't force you to buy and sell, you have to use your brains to fight your wit, no matter how small the advantage is, he feels extremely wonderful, and he can't help but steal the fun.

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