Shabani, M.B., Akagi, T., Shimizu, H. and Masuda, A. (1990) Determination of Trace Lanthanides and Yttrium in Seawater by Inductively Coupled Plasma Mass Spectrometry after Preconcentration with Solvent Extraction and Back-Extraction. Analytical Chemistry, 62, 2709-2714.
http://dx.doi.org/10.1021/ac00223a012

has been cited by the following article:

• TITLE: Determination of Lanthanoids in Seawater by Inductively Coupled Plasma Mass Spectrometry after Pre-Concentration with a Chelating Resin Disk

  AUTHORS: Megumi Fukai, Yoshikazu Kikawada, Takao Oi

  KEYWORDS: Lanthanoids, Chelating Resin Disk, ICP-MS, Lanthanoid Abundance Pattern

  JOURNAL NAME: Natural Science, Vol.8 No.10, October 27, 2016

  ABSTRACT: A seawater sample was analyzed for its lanthanoids (Ln’s) contents by inductively coupled plasma mass spectrometry (ICP-MS). The analytical procedure included the pre-concentration and partial purification of Ln’s with a chelating resin disk and the employment of the combination of the internal standard and standard addition methods in ICP-MS, which seemed indispensable for the determination of low-level Ln’s by ICP-MS. The recoveries of the Ln’s with the disk were mostly 70% or better with the concentration factor of 200. The measured concentrations of Ln’s were on the order of ng?dm–3 or lower and reasonable except that of neodymium and samarium.