Abstract

Sheet metal is directly analyzed for boron by means of spark excitation. Source inductance of 200 to 300 μh, together with rotation of the specimen during excitation, provides detectability an order of magnitude better than conventional spark excitation of steel. Sheet material of 0 050 in thickness and containing a nominal 0.004% boron is analyzed with a coefficient of variation of 3.2%.

The Spectrographic Flat Surface Sparking Technique of Steel Analysis*

Charles L. Guettel
J. Opt. Soc. Am. 34(1) 41-46 (1944)

Determinations of trace boron in superalloys and steels using laser-induced breakdown spectroscopy assisted with laser-induced fluorescence

Changmao Li, Zhongqi Hao, Zhimin Zou, Ran Zhou, Jiaming Li, Lianbo Guo, Xiangyou Li, Yongfeng Lu, and Xiaoyan Zeng
Opt. Express 24(8) 7850-7857 (2016)

Spectrochemical Determination of Tantalum and Columbium in 18 Cr–8 Ni Stainless Steel*

W. J. Poehlman and R. E. Sarnowski
J. Opt. Soc. Am. 42(7) 489-492 (1952)

Spectrographic Procedure for Analysis of Powdered Samples of Unknown Origin

H. E. Biber and S. Levy
J. Opt. Soc. Am. 47(5) 381-385 (1957)

Spectrographic Determination of Halogens and Sulfur in Engine Deposits

W. O. Mansfield, J. C. Fuhrmeister, and D. L. Fry
J. Opt. Soc. Am. 41(6) 412-416 (1951)