Issue 4, 1994
From the journal:

Analyst

Sensitive determination of sulfur concentration in steel by spectrophotometry with a waveguide capillary cell

Koichi Chiba,   Isamu Inamoto,   Kin-ichi Tsunoda  and  Hideo Akaiwa  

Abstract

Poly(tetrafluoroethylene-co-hexafluoropropylene) tubing was used as a waveguide capillary cell with an ethanol–water solvent system. The refractive index of the solvent had an effect on the light transmission through the waveguide capillary cell, but had no effect on the absorbance. The sensitivity in detecting Methylene Blue with the 2 m waveguide capillary cell was enhanced about 120-fold in comparison with that of a conventional cell (2 cm). This method can be used to determine 0.2 µg g–1 of sulfur in steel even after the conventional sample-preparation procedure.

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Article information

DOI
https://doi.org/10.1039/AN9941900709
Article type
Paper

Analyst, 1994,119, 709-712

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Sensitive determination of sulfur concentration in steel by spectrophotometry with a waveguide capillary cell

K. Chiba, I. Inamoto, K. Tsunoda and H. Akaiwa, Analyst, 1994, 119, 709 DOI: 10.1039/AN9941900709

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