Laser Induced Breakdown Spectroscopy of Er II for Transition Probability Measurements

Abstract

We present a laser induced breakdown spectrum of Er II in the near ultraviolet region. To use the spectrum for the evaluation of the transition probabilities, an alloy target with a low content of Er was used to suppress the self-absorption. From the linearity of the Boltzmann plot obtained by using the sensitivity corrected experimental intensity and existing transition probability data, the local thermal equilibrium condition of the plasma and the reliability of the transition probability data are confirmed. The linear function obtained in the Boltzmann plot is used for the determination of a previously unreported transition probability for the line at 393.863 nm.

Atomic spectrometry update: review of advances in atomic spectrometry and related techniques

“…The Quemet and Baghdadi study dened the minimum uncertainty envelopes for the spike-spike-sample mixture and included all calculation methodology as well as a piece of code to calculate the optimal spiking parameters. 90 Sr measurement is of importance in understanding the effect of anthropogenic radionuclide inputs to humans. Wakaki et al 200 developed a technique which accurately measured small amounts of 90 Sr in environmental samples.…”

“…90 Sr measurement is of importance in understanding the effect of anthropogenic radionuclide inputs to humans. Wakaki et al 200 developed a technique which accurately measured small amounts of 90 Sr in environmental samples. Using TIMS tted with a retarding potential quadrupole energy lter to reduce tailing from 88 Sr, they were able to quantify 90 Sr with a detection limit of 0.23 ag (1.2 mBq).…”

“…Note, also, that they published a subsequent correction to one of the equations used. 89 Naoi et al 90 determined the transition probability of the previously unreported Er II 393.863 nm line, by applying its intensity to the linear function obtained in the Boltzmann plot, to be 1.2(2) × 10 7 s −1 . Irvine et al 91 evaluated previously unreported transition probabilities for five Eu I and three Eu II lines, ranging from 0.172 to 7.38 × 10 7 s −1 and from 1.56 to 6.75 × 10 7 s −1 respectively.…”