Spectrochemical determination of trace bismuth and lead in iron-base and high-temperature superalloys |
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| Authors: | Vassilaros G L |
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| Affiliation: | Colt Industries Crucible Inc., Materials Research Center P.O. Box 88, Pittsburgh, Pennsylvania 15230, U.S.A. |
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| Abstract: | A method is presented for determination of lead and bismuth in steels and superalloys, based on co-precipitation with manganese dioxide followed by optical-emission or atomic-absorption measurements. The limit of determination is about 0.0001% and the relative standard deviation is 4% at the 0.002% level. |
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