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Dolomite MgO content 18-23, what can be used?

Dolomite MgO content 18-23, what can be used?

Answer:

Stone as a basic flux used in blast furnace smelting, is a typical carbonate minerals, its main component is calcium carbonate, magnesium carbonate and a small amount of silica impurities, mainly by simple analysis to the usually three. Analysis of sodium carbonate melt system standard, due to the use of platinum crucible, the analysis of the cost increase, put forward higher requirements for daily management.
Based on a lot of practice, using sodium peroxide fast melting method, determination of silicon dioxide, calcium oxide, Magnesium Oxide in dolomite. Due to the use of cheap iron crucible, so that the method is fast, accurate, simple device, low cost analysis, all the analysis can be controlled within 0.5h, especially suitable for the daily analysis the small factory laboratories.
X fluorescence analysis developed in recent years, the dolomite sample analysis instrument, but because of the expensive equipment, the standard sample dependent, which greatly improve the analysis cost, at the same time required for sample pre igloss determination, affect the speed of analysis, its application is limited.

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