电感耦合等离子体原子发射光谱法测定渣类样品中钡和锶

Determination of barium and strontium in slag samples by inductively coupled plasma atomic emission spectrometry

炼钢过程研究夹渣物来源,提出新检测需求,要求检测中包、结晶器、钢包渣等样品中的钡和锶元素,为了准确的检测钡和锶的含量,通过实验,建立了电感耦合等离子体原子发射光谱法测定渣类样品中钡和锶的含量的方法,以氢氟酸、盐酸、硝酸混合试剂消解样品,冒高氯酸烟驱赶氢氟酸等试剂,盐酸溶盐后采用电感耦合等离子原子发射光谱法测定渣类样品中钡和锶。考察了称样量、仪器参数、分析谱线,最终制定了一套切实可行的分析方法,该方法精密度RSD小于5%,相关系数>0.9990,回收率为97%~101.10%。

Sources of steelmaking slag process research,put forward the new testing requirements,requirement,crystallizer,ladle slag detection such as barium and strontium elements in the samples,in order to accurately detect the content of barium and strontium,through the experiment,established the inductively coupled plasma atomic emission spectrometry residue class method,the content of barium and strontium in the sample with hydrofluoric acid,hydrochloric acid,nitric acid digestion samples mixed reagent,Barium and strontium in slag samples were determined by inductively coupled plasma atomic emission spectrometry(ICP-AES)after hydrofluoric acid and hydrochloric acid were dissolved.Finally,a set of feasible analytical method was developed.The precision RSD of the method was less than 5%,the correlation coefficient was more than 0.9990,and the recovery was 97%~101.10%.