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In an interlaboratory test, inductively coupled plasma atomic emission spectrometry (ICP-AES) was compared with flame atomic absorption spectrometry and molecular absorption spectrophotometry for the determination of 17 major and trace elements in 100 filtered natural water samples.
No unacceptable biases were detected. The analysis precision of ICP-AES was found to be equal to or better than alternative methods. Known-addition recovery experiments demonstrated that the ICP-AES determinations are accurate to between ±2 and ±10 percent; four-fifths of the
tests yielded average recoveries of 95-105 percent, with an average relative standard deviation of about 5 percent.
U.S. Geological Survey, MS 407, P.O. Box 25046, Denver Federal Center, Denver, Colorado 80225 2:
U.S. Geological Survey, 6481 Peachtree Industrial Blvd., Doraville, Georgia 30340
Publication date: May 1, 1985
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The Society publishes the internationally recognized, peer reviewed journal, Applied Spectroscopy, which is available both in print and online. Subscriptions are included with membership or can be purchased by institutional or corporate organizations. Abstracts may be viewed free of charge. Previously published as Bulletin (Society for Applied Spectroscopy)