介绍了测定黑色金属中二氧化硅的改进测定方法,对该方法的理论及有关操作技术问题进行了研究。同时针对该方法中的主要影响因素进行了试验研究,探讨了要形成完全硅钼黄的温度、时间及酸度等条件。 An improved method for the determination of silica in ferrous metals is introduced. The theory of the method and the technical problems related to its operation are studied. At the same time, the main influencing factors in this method were studied and the conditions such as temperature, time and acidity to form complete silicon molybdenum yellow were discussed.