ICP—AES测定工业盐酸的铁、砷和硫酸根

建立了采用电感耦合等离子体原子发射光谱法（ICP—AES）对工业盐酸中的铁、砷和硫酸根进行同时测定分析的方法。实验过程中确定了最佳测量条件，采用标准曲线法进行定量，线性相关系数为0．99997～0．99998，样品的加标回收率为98．11％-99．65％，相对标准偏差（RSD）为0．07％～1．33％，检出限为0．01066-0．03495mg／L。将所建立的方法用于实际样品测定并与标准方法进行对照，实验结果表明测定结果无明显差异。该方法具有简单、快速、重现性好等优点。

ICP - AES Determination of Iron,Arsenic and Sulfate in Industrial Hydrochloric Acid

Establied the method for determination the iron, arsenic and sulfate in industrial hydrochloric acid by coupled plasma atomic emission spectrometry （ICP - AES）. The best measurement conditions were studied , Under the best conditons, the standard curve method was used to quantify, linear correlation were 0.9997 ~ 0.9998, the recoveries were 98.11% ~ 99.65%, the RSD were 0.07% ~ 1. 33% ,the detection limit were 0.010 ~0. 03495 mg / L, the results for actual sample determination and comparison with the standard method show that there is no significant difference, The method has the advantages of simple, fast, and good reproducibility.