Abstract
A flame photometric method for the determination of yttrium in yttrium group rare earths was presented. There were three characteristic peaks in flame emission spectrum of yttrium, and two of them (599 mμ, 615 mμ) were used to determine the amount of yttrium in 0.1N hydrochloric acid solution.
The relation between log. amount of yttrium and log. intensities of the flame spectra was shown in the straight line.
The amount of yttrium in the impure yttrium solution extracted from xenotime was determined. The effectiveness of the method was recognized by the satisfactory recovery of yttrium added to the impure yttrium solution. It is recommended for industrial analysis.
