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针对低铁含量(w(Fe2O3)0.5%~1.5%)的云南磷矿石,采用磺基水杨酸分光光度法测定Fe2O3,可获得准确的分析结果,标准偏差为0.03%,且分析过程简便。
For the determination of Fe2O3 in Yunnan phosphate rock with low iron content (w (Fe2O3) 0.5% ~ 1.5%) by spectrophotometry with sulfosalicylic acid, accurate analytical results can be obtained with a standard deviation of 0.03% and simple analytical procedure .