Production process of electronic-grade sulfuric acid

2018-12-30View Original

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Does anyone familiar with this field know the production process for electronic-grade sulfuric acid? Could you please provide some information on it?

Reply #22018-12-31

Are there any resources on this topic? Could you recommend some?

Reply #32019-01-05

Distillation is generally used. Our company has an electronic-grade, ultra-pure sulfuric acid production facility with an annual output of 100,000 tons. The product meets the EL grade standards specified in HG/T4559-2013, and can reach the UL grade as well. However, the Quality Supervision Bureau does not have a product catalog for ultra-pure sulfuric acid, so it is not possible to obtain a production license; the product can only be sold at the high-purity grade specified by the GB/T625 standard. Hanhan:lol:lol:lol

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Production process of electronic-grade sulfuric acid

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