A Fusion Method for the X-Ray Fluorescence Analysis of Portland Cements, Clinker and Raw Materials Utilizing Cerium (IV) Oxide in Lithium Borate Fluxes

Author:

Barger Gregory S.

Abstract

AbstractThis method describes the addition of cerium (IV) oxide to a lithium borate flux. CeO2 provides a non-analytic glass former to the melt production. CeO2 also acts as an interelemental buffer replacing the use of lanthanum oxide for long wavelength absorption. With cerium oxide addition, excellent results are produced, resulting in part from the elimination of recrystallization problems encountered with lanthanum oxide use. Analytical results easily meet the ASTM C-114 qualification requirements for rapid method analysis of hydraulic cements.

Publisher

Cambridge University Press (CUP)

Reference6 articles.

1. Anzelmo J.A. , “X-ray Emission Spectro-Chemical Analysis of Aluminosilicate Raw Materials and Refractories by Lithium Tetraborate-Lanthanum Oxide Fusion Technique” (E-2 SM. 0-33), pp. 358-61, Methods for Emission Spectrochemical Analysis. Seventh Edition, ASTM. Philadelphia, 1982.

2. Moore C.W. , “Spectrochemical Analysis of Portland Cement by Fusion with Lithium Tetraborate using an X-ray Spectrometer” (E-2 SM. 0-26), pp. 911-17, Methods for Emission Spectrochemical Analysis, Seventh Edition, ASTM. Philadelphia, 1982.

3. Claisse F. , Instruction Manual for Claisse Fluxer VI. 1979, Corporation Sdentifique Cl ai'sse, Tnc., Quebec, Canada.

4. Anderman S. , “Spectrochemical Analysis of Cement by Lithium Tetraborate-Lanthanum Oxide Fusion Technique Using an X-ray Spectrometer”, (E-2 SM. 0-20), pp. 885-92, Methods for Emission Spectrochemical Analysis. Seventh Edition, ASTM. Philadelphia, 1982.

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