What are the tricks of gold jewelry processing and cleaning

In today's prevalence of gold jewelry processing, some illegal traders use various ways to make huge profits. So what are the tricks of gold jewelry processing and cleaning, the following is a detailed answer for you. In today's prevalence of gold jewelry processing, some illegal traders use various ways to make huge profits. So what are the tricks of gold jewelry processing and cleaning, the following is a detailed answer for you. Under normal circumstances, some gold is lost during processing or cleaning, but this loss is minimal. But if the cleaning solution is'aqua regia', it will be different. As long as there is enough time, it can even steal all the gold. 'Aqua regia' is a common name for a chemical solution, usually blended with concentrated nitric acid and concentrated hydrochloric acid in a ratio of 1:3. 'Aqua regia' is highly acidic and corrosive, and can dissolve gold. After the gold-dissolved'aqua regia' is heated, the replacement metal is added, and the chemical reaction occurs, the gold can be extracted again. Therefore, gold can lose a lot of weight by taking a shower in the'aqua regia'. In addition to'A King Water', there are several ways to steal gold from processing shops. Can make a fuss on the balance. Someone deliberately prepared two pallets, one light and one heavy. Consumers use gold to process jewelry, put the gold in a light tray; after processing, put the gold in a heavy tray, so that the difference between the two problem scales can be used to deduct the customer's gold. In addition, gold can also be stolen during the smelting process. Some unscrupulous vendors, when helping customers smelt gold and process jewellery, would take advantage of people's attention to deduct some gold; then mix some silver powder and copper powder into the powder for smelting, and then melt the silver and copper powder into the gold. In this way, the weight of processed gold will not decrease, making it difficult for customers to find it. Some people simply use 35% of the'leftovers' as their own when processing jewelry, as a loss. What are the tricks of gold jewelry processing and cleaning? As long as consumers take more precautions when buying and processing gold jewelry, it is easy to see through the eyes. However, consumers should still be reminded that they should not be greedy for'little profits' when buying and processing gold jewelry. Previous: How to choose the bride's wedding dress according to the type of wedding Next: Why does the GIA certificate sometimes do not match the domestic test results