DIN 52241-2-1986 制造玻璃原料的分析.对含碳酸钙镁不小于95%的白云石的化学分析.溶解方法
Analysis of raw materials used in glass production; chemical analysis of dolomite containing not less than 95 % of calcium magnesium carbonate; digestion method
The standard specifies the following disintegration method: dissolving the sample in hydrochloric acid, treatment of the residue with a mixture of hydrofluoric acid and sulfuric acid and disintegration with a mixture of sodium carbonate and sodium tetraborate.#,,#