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采用过氧化钠熔融试样,在0.6～1.2当量的硫酸介质中,磷与钼-铋盐形成三元络合物,以抗坏血酸还原光度法测定碳化硅中磷含量,解决了生产的急需。
In the 0.6-1.2equivalent sulfuric acid medium, phosphorus and molybdenum-bismuth salt form ternary complex with sodium peroxide melting sample, and phosphorous content in silicon carbide is determined by ascorbic acid reduction spectrophotometry to solve the urgent need of production.