The Emission Spectrographic Carrier-Distillation Determination of Traces of Lead, Bismuth, and Tin in Nickel-Base Alloys

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Abstract:

A carrier-distillation dc arc emission spectrographic procedure is described for the determination of 0.5 to 20 ppm of lead, bismuth, and tin in nickel-base alloys. After conversion to an oxide, the sample is mixed with AgCl–LiF carrier and excited with 12 A current for 33 sec. Nickel oxide synthetic standards may be used. The coefficients of variation are less than 10%

Keywords: Carrier distillation; Emission spectrography; Methods, analytical

Document Type: Research Article

DOI: http://dx.doi.org/10.1366/000370270774371598

Affiliations: United Aircraft Corporation, Research Laboratories, East Hartford, Connecticut 06108

Publication date: May 1, 1970

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