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6.The difference between unroasted pyrite and roasted pyrite
专栏：Knowledge
发布日期：2017-11-29
阅读量：3696
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The wording of unroasted pyrite is used in export declaration to be in accordance with HS code, It refers to Sulfur, pyrite, pyrite or sulfide of iron (ore).Its HS code is 25020000, and its molecular ...
The wording of unroasted pyrite is used in export declaration to be in accordance with HS code, It refers to Sulfur, pyrite, pyrite or sulfide of iron (ore).Its HS code is 25020000, and its molecular formula is FeS2, It is kind of natural mineral, mainly used in the production of sulfuric acid.
Roasted pyrite, its HS code is 2601.2000. It refers to residue of pyrite after it is used to produce sulfuric acid, commonly known as sulfuric acid residue or red powder. It is generally used as iron ore and its main component is Fe2O3. |
