A quantitative research on Yb, which is a rare earth element, has been conducted with a metal furnace AAS.
At first, the o ptical instrumental operating conditions were set for the determination of Yb. The acid, such as HNO3, H2SO4, HClO4 and HC104 interfered remarkably with the determination of Yb, but HC1 did not interfer up to 2 M. The most of the coexistence metal elements were less effective up to 100 times quantity. Proporsed method has been applied to the determination of Yb in monazite, bastanaesite and xenotime. This method is very simple, and suitable for the determination of trace amounts Yb in the sample containing rare earth element.
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