Abstract

A rapid and accurate spectrochemical method is presented for the determination of ferric oxide and silicon dioxide in alumina. This method is much more convenient than time-consuming gravimetric methods in which fusions are necessary for dissolution of the sample. The spectrographic method employs the use of finely divided germanium metal and graphite powder as buffers. The addition of germanium yields uniform, reproducible spectral lines. Data on the reproducibility of intensity ratios are included.

Spectrochemical Determination of Silicon, Iron, and Aluminum in Mineral Powders with a High Voltage Direct Current Arc*1

Howard I. Oshry, James W. Ballard, and H. H. Schrenk
J. Opt. Soc. Am. 32(11) 672-680 (1942)

Spectrochemical Analysis of Ceramics and Other Non-Metallic Materials*

Edwin K. Jaycox
J. Opt. Soc. Am. 37(3) 162-165 (1947)

Air-Cooled Electrodes for the Spectrochemical Analysis of Powders*†‡

B. J. Stallwood
J. Opt. Soc. Am. 44(2) 171-176 (1954)

Optical properties and electronic transitions of zinc oxide, ferric oxide, cerium oxide, and samarium oxide in the ultraviolet and extreme ultraviolet

N. Pauly, F. Yubero, J. P. Espinós, and S. Tougaard
Appl. Opt. 56(23) 6611-6621 (2017)

The Quantitative Spectrographic Analysis of the Rare Earth Elements*I. Determination of Samarium in NeodymiumII. Determination of Europium in Samarium

Velmer A. Fassel and Harley A. Wilhelm
J. Opt. Soc. Am. 38(6) 518-526 (1948)