Thallium determination in reference materials by Isotope Dilution Mass Spectrometry (IDMS) using thermal ionization E. WaidmannK. HilpertM. Stoeppler Trace Elements — Analytical Methods Pages: 572 - 574
Use of reference materials for quality control of elemental analysis by neutron activation with radiochemical separation Joost R. W. Woittiez Trace Elements — Analytical Methods Pages: 575 - 579
The needs of the contract laboratory in regard to reference materials John C. WaltonDarryl M. Sullivan Trace Elements — Analytical Methods Pages: 580 - 581