Quantitative trace-element analysis by proton-induced X-rays

K. Ishii, S. Morita, H. Tawara, T. C. Chu, H. Kaji, T. Shiokawa

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)


The accuracy of quantitative analysis of trace elements by proton-induced X-rays is examined by using solutions of known concentration of lead and uranium. Trace elements in tomato juice and well water are quantitatively analysed, referring to a calibration standard of uranium. Some of the results are compared with those obtained by usual analytical methods. As an example of impurity analyses where the atomic number of impurity is close to that of a matrix element, copper impurity in potassium ferricyanide [K3Fe(CN)6] is studied by using the absorption edge of the Ni atom.

Original languageEnglish
Pages (from-to)75-80
Number of pages6
JournalNuclear Instruments and Methods
Issue number1
Publication statusPublished - 1975 May 15
Externally publishedYes

ASJC Scopus subject areas

  • Medicine(all)


Dive into the research topics of 'Quantitative trace-element analysis by proton-induced X-rays'. Together they form a unique fingerprint.

Cite this