High Level Product Ferro Silicon

The determination of carbon and sulfur content in ferroalloy products is most commonly done using ferro silicon. With the emergence of low-carbon ferrosilicon (cC < 0.015%) and high-purity ferrosilicon (cC < 0.0030%), carbon and sulfur content has become essential elements for analysis, making accurate measurement particularly important. However, determining the carbon and sulfur content in ferrosilicon is one of the most challenging varieties in ferroalloy products. The reason is that it is difficult to properly roast ferrosilicon samples, and the carbon and sulfur content in low-carbon ferrosilicon is much lower than that in ordinary ferrosilicon, which further complicates the accurate measurement of carbon and sulfur in low-carbon ferrosilicon.

1.Distillation separation - method for determining trace boron in ferro silicon alloy by curcumin spectrophotometry. Experiments were conducted on the volatilization loss of trace boron and its complexation protection issues during sample dissolution in hydrofluoric acid medium. The results indicate that by adding an appropriate amount of mannitol for complexation protection, it is possible to effectively prevent the volatilization loss of trace boron during the sample dissolution and solution evaporation processes, and it has been successfully applied to the analysis of actual samples, achieving satisfactory results. At the same time, a further discussion was conducted on whether the analysis results of boron under the proposed sample dissolution conditions represent total boron, and the results confirmed that the measurement results of boron under the proposed dissolution conditions represent total boron. This method can be used for the analysis and measurement of trace boron in samples containing high silicon, such as silicon iron alloy, and in samples that require hydrofluoric acid for decomposition.

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