Effects of ammonium nitrate on sensitivi
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John R. Montgomery; Gary N. Peterson
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Article
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1980
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Elsevier Science
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English
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Ammonium nitrate, used as a matrix modifier in sea-water analysis to eliminate the interference of sodium chloride, degrades the pyrolytic coating on graphite-furnace tubes. The initially increased sensitivities for copper, manganese and iron are maintained for up to 15 atomizations; there is then a