The effective sulfur refers to the product resulting from pyrite sample roasting at the temperature of 850 C, That is, the sulfur contained in sulfide of pyrite. The total sulfur includes the sulfur of strontianite and Metal Sulfide in addi...
时间：2021-04-02浏览：198
The wording of unroasted pyrite is used in export declaration to be in accordance with HS code, It refers to (FeS2、iron pyrite、pyrite or Ferro Sulphur）.Its HS code is 25020000, and its molecular formula is FeS2, It is kind of natural...
时间：2021-04-02浏览：132
