X-ray Fluorescence Analysis in Biology

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Science  18 Aug 1961:
Vol. 134, Issue 3477, pp. 449-455
DOI: 10.1126/science.134.3477.449


Our efforts to understand the important biological roles of many "minor" elements are limited by the capabilities of the existing instruments. X-ray fluorescence analysis is not the most sensitive method for the assay of minor elements, but it is the instrumental technique of choice both for certain clinical studies and for certain research problems. The technique will be more widely used as it becomes more widely known (25).