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The blister copper (containing 99% copper) is pre-made into a thick plate as the anode, the pure copper is made into a thin sheet as the cathode, and the mixed solution of sulfuric acid and copper sulfate is used as the electrolyte. After electrification, copper dissolves from the anode into copper ions (Cu) and moves to the cathode. After reaching the cathode, electrons are obtained and pure copper (also known as electrolytic copper) is precipitated at the cathode. Impurities in blister copper, such as iron and zinc, which are more active than copper, will dissolve together with copper as ions (Zn and Fe). Since these ions are less likely to be precipitated than copper ions, the precipitation of these ions on the cathode can be avoided as long as the potential difference is properly adjusted during electrolysis. Impurities less reactive than copper, such as gold and silver, are deposited on the bottom of the cell. The copper plates produced in this way, called "electrolytic copper", are of extremely high quality and can be used to make electrical products.
Free Sample:
Q:Can you send samples?
A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
Quotation:
Q:What product information do I need to provide?
A:You need to provide the grade, width, thickness, coating and the number of tons you need to purchase.
Q:About product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Packaging&Shipping:
Q:How to pack the products?
A:The inner layer has a waterproof paper outer layer with iron packaging and is fixed with a fumigation wooden pallet. It can effectively protect products from corrosion during ocean transportation.
Q:How long does your delivery time take?
A:In general, our delivery time is within 30-45 days, and may be delayed if the demand is extremely large or special circumstances occur.
Q:What are the shipping ports?
A:Under normal circumstances, we ship from Shanghai, Tianjin, Qingdao, Ningbo ports, you can choose other ports according to your needs.
Service:
Q:What is your working time?
A:In general, our online service time is Beijing time: 8:00-22:00, after 22:00, we will reply to your inquiry during the next working day.
Quality Control:
Q:Does the product have quality inspection before loading?
A:Of course, all our products are strictly tested for quality before packaging, and unqualified products will be destroyed.
Q:Can I go to your factory to visit?
A:Of course, we welcome customers from all over the world to visit our factory. However, some of the plants are not open to the public.