fashion jewelry wholesale new york How to purify gold
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fashion jewelry wholesale new york How to purify gold
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wholesale lava stone jewelry Some wet gold purification processes use Wang Shui soluble gold, and then add a reducing agent to restore the gold, or to interfere with the substance of the mask, and then the extraction method. high. The present invention breaks through the traditional craftsmanship. It adopts simple purification processes such as the gold -king water, combined with acid removal, high temperature melting, etc. to obtain high -quality gold. Compared with existing technology, the invention has the characteristics of high product purity, low production cost, and simple and practical process.
The wet method to purify the gold technology. It is placed in the container, adds the newly prepared Wang Shui to submerge the thick gold, and then heated it for 15-25 minutes. Add Wang Shui to repeatedly dissolve until the dissolution is complete, remove the cooling, add water rinsengers to the wall, filter, wash it with water to the filter paper without yellow, and merge the filter liquid with the washing solution. That is, after the cooling is removed, adding golden hydrochloric acid without gold mud, blowing the cup wall with water and repeatedly steaming. After the cooling, add 1: 1 hydrochloric acid solution to cook for 1 or 2 times. However, at this time, the solution is basically yellow, filter, washed with water to the existence of gold mud without chlorine ions, transferred gold mud into another container, and then washed with 1: 1 nitric acid solution for 1 to 2 times. It can flood the gold mud, filter, washed, dry, put the gold mud into the magnetic cymbal, add a small amount of borax, and melt into a pure gold block at 1000 to 1100 ° C.
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wholesale jewelry chain atlanta It depends on the purity of the gold, which can generally add three times the metal silver to melt it after the water, which is to pour the fluid of the gold and silver mixture into the cold water at high temperature to make it a small particle, and then dissolve it with the water of the king water. , Adjust the acidity of the solution, restore gold with sodium sulfate or ferrous sulfate, clean the gold mud with water, and finally smell the gold mud.
wholesale lucite jewelry boxes Pay content for time limit to check for freenAnswer Hello, now I am inquiring about the relevant information for you, please wait patiently, thank you for your cooperationnthe first method. Mixed mercury gold purification method. This is an ancient method of purifying gold. As long as there is patience, you can mention high purity. The specific methods are as follows: 1. Milives are alive: gold mercury water; Generate inter -metal chemicals. 2. Sulfur: Mix sulfur powder with the golden grinding of mercury. 3. Heating and breeding in the air: At this time, excess mercury volatilizes, cheap metals first generate metal sulfide, and in the later stage of generating metal oxides 4. Repeat the above operations multiple times 5. Add borax to melt into gold ingot The reaction generates a low melting point, floating on the upper layer of the liquid, and pure gold at the bottom. This method is used to prevent mercury steam poisoning.nThe second method In ancient times, because there was no chemicals such as nitrate sulfuric acid, we could only use the above methods. Now we can improve the above method: 1. Full mercury can be used to add nitrate multiple times to mix 3. Moisturizing 4. Golden purity execution in the execution of the goldenness in the goldenness. The fullness of mixed mercury and the thorough degree of nitric acid is miscellaneous, if it is handled well. Golden purity can reach more than 99%. This method is suitable for the treatment of coarse granules collected with mercuryn1 morenBleak
wholesale jewelry shops in kenya Add a three -fold metal silver to melt the water after the water,
The fluids of the gold and silver mixture at the high temperature into the cold water to make it a small particle. Adjust the acidity of the solution, restore gold with sodium sulfate or iron sulfate, clean the gold mud with water, and finally smear the golden mud.
genuine gemstone jewelry wholesale I know three types:
The first type of chemical purification
The second is extraction
The third is electrolytic purification