Determination of bismuth,strontium,calcium,copper and lead in Bi-2223 high-temperature superconducting material by ICP-AES method
This method uses nitric acid to dissolve samples.Systematically explores the method of inductively coupled plasma emission spectrometry(ICP-AES)for the determination of bismuth,strontium,calcium,copper,and lead in Bi-2223 high-temperature superconducting materials.Under the optimal conditions of the instrument,the detection limit of each element in Bi-2223 high-temperature superconducting material was measured not more than 0.004%,the relative standard deviation(RSD)was not more than 0.8%,and the recovery rate was between 98.7%and 100.9%.It shows that the test results of this method are accurate and stable,which is convenient for practical production and application,and used for the determination of bismuth,strontium,calcium,copper and lead in Bi-2223 high temperature superconducting material.
ICP-AES methodBi-2223 high temperature superconducting materialbismuthstrontiumcalci-umcopperlead