Wilbert Smith Archives Files Box 1131 19 1131-19-p212

Document Text (OCR)

| | This powerful analytic tool is now routinely used in a wide range of disciplines to measure the concentrations of trace elements, often in amounts less than a billionth of a gram by Werner H. Wabl and Henry H. Kramer tions impurities are regarded nuisance. In recent years, however, experiments in a wide range of fields have been devoted to the painstaking analysis of just such “trace elements.” Part of the impetus of this trend has come from the growing realization that minute amounts of...