Analysis of nickel-niobium alloys by inductively coupled plasma optical emission spectrometry.
Inductively coupled plasma optical emission spectrometry (ICP-OES) was applied to the analysis of major and minor elements of Ni-Nb alloys obtained by aluminothermic reduction process. Digestion of samples was made using a mixture of HF+HNO(3). Minor and trace elements were determined without matrix separation. The precision for all constituents was <3%. Recoveries for the analyte-spiked samples were 95%.
de Lima
Belmira B
BB
Faculdade de Engenharia Quimica de Lorena, Departamento de Engenharia de Materiais, Polo Urbo-Industrial, CP 116, CEP 12600-000, Lorena, São Paulo, Brazil.
Conte
Rosa A
RA
Nunes
Carlos A
CA