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Method for detecting the purity of gold p...

Gravimetric method The gravimetric method refers to other chemical gravimetric methods besides the fire assay method, such as chemical reduction method and precipitation method.The principle is that the sample is deco...
Method for detecting the purity of gold p...

Density method The advantages of the digital display water specific gravity gold measuring instrument are: no calculation, no need to make additional jigs such as hanging wires, fast analysis speed, no damage to the ...
Method for detecting the purity of gold p...

In order to ensure the hardness, gloss and beauty of jewelry, the raw material of gold jewelry is not a single pure metal, but an alloy body with gold as the main material.At present, China's jewelry industry comp...
The principle of gold and silver ingot ca...

The furnace that melts gold and silver generally adopts a round hearth furnace. The fuel is mostly gas and diesel. Or use the usual coke stove, gas or diesel stove, mostly made of magnesium brick or refractory ...
About Precious metal recovery

About Precious metal recovery Precious metal resources are scarce, and mineral resources are non-renewable resources. Therefore,...

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