Precision of PIXE analysis of thin fluid-residue specimens using internal standards

John L. Campbell, William J. Teesdale, Robert G. Leigh

Research output: Contribution to journalArticlepeer-review

Abstract

Different roles for internal standards in PIXE analysis of fluid residues are discussed. The efficacy of internal standards is predicated on having homogeneous targets of uniform thickness; the use of lecithin additives to achieve this is described and data are presented to illustrate the dependence of analytical precision on the mode of specimen preparation. Determination of actual thickness via measurement of the energy loss of transmitted protons is demonstrated; this provides a means of correcting for departures from the much-quoted "thin target" criterion.

Original languageEnglish (US)
Pages (from-to)551-557
Number of pages7
JournalNuclear Inst. and Methods in Physics Research, B
Volume6
Issue number3
DOIs
StatePublished - Feb 1985
Externally publishedYes

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Instrumentation

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