Abstract

A rapid emission spectographic method for the determination of traces of bismuth and lead in a wide variety of iron- and nickel-base alloys is reported. The sample, in the form of chips, filings, or drillings, is mixed with lithium carbonate, placed in an anode cup electrode, and excited in a dc arc. Detection limits of approximately 0.2 ppm for bismuth and 0.4 ppm for lead may be realized, depending on the alloy. Working curves may be prepared from a single standard of each alloy by using variable weights in a series of electrodes. Precision and accuracy data for a number of alloys are presented.

The Spectrochemical Analysis of Nickel Alloys*

Edwin K. Jaycox
J. Opt. Soc. Am. 37(3) 159-162 (1947)

The Spectrochemical Analysis of Copper Base Alloys*

Edwin K. Jaycox
J. Opt. Soc. Am. 35(2) 175-179 (1945)

On-chip waveguide isolator based on bismuth iron garnet operating via nonreciprocal single-mode cutoff

Samuel M. Drezdzon and Tomoyuki Yoshie
Opt. Express 17(11) 9276-9281 (2009)

Spectrographic Determination of Trace Elements in 70/30 Brass and Admiralty Brass. Part I*

P. A. Leichtle
J. Opt. Soc. Am. 34(8) 454-463 (1944)

Reflectance Spectra of the Copper-Bismuth Alloy System*

F. Vratny, J. J. Kokalas, and F. Gugliotta
J. Opt. Soc. Am. 51(6) 644-647 (1961)