Some aspects of matrix interference caused by elements of low ionization potential in inductively coupled plasma atomic emission spectromctry von Gunter, W.H., Visser, K., Zeeman, P.B.

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Ionization interferences under various operating conditions in a 9, 27 and 50 MHz ICP, and a study of shifts in level populations of calcium through simultaneous absorption-emissio... von Gunter, W., Visser, K., Zeeman, P.B.

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Electron density characterization of 27.1 and 50 MHz inductively coupled plasmas by means of Abel corrected Stark broadened H β line profiles von Walters, P.E., Gunter, W.H., Zeeman, P.B.

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Radial excitation temperatures and electron number densities in a 9, 27 and 50 MHz inductively-coupled argon plasma von Gunter, W.H., Visser, K., Zeeman, P.B.

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The quantitative spectrographic analysis of (Hf-Zr)O 2 by means of the tape method von Naudé, W.J., Zeeman, P.B.

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Some experiments with an extended torch for the determination of nitrogen in aqueous solution with the aid of ICP-AES von Broekaert, J.A.C., Zeeman, P.B.

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The modified sequential simplex method of optimisation as applied to an inductively coupled plasma source von Terblanche, S.P., Visser, K., Zeeman, P.B.

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Notes on electrode preparation von Zeeman, P.B.

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The determination of gold, platinum, palladium and rhodium by atomic absorption spectrophotometry with an ultrasonic nebulizer and a multi-element high-intensity hollow-cathode lam... von Rensburg, H.C.Van, Zeeman, P.B.

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A new premixed chemical burner for emission and absorption spectroscopy with separated fuel and sample introduction von Zeeman, P.B., Muller, C., Gunter, W.H.

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Investigation on the feasibility of using an Ulbricht sphere for the absolute calibration of an ICP or other source at specific wavelengths von Vermaak, A.P., Visser, K., Hamm, F.M., Zeeman, P.B.

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Airglow enhancements near the equator von Steyn, J.L., Zeeman, P.B., Hamm, F.M.

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A comparative study of turbulent, premixed and separated flames in atomic fluorescence analyses, with reference to the determination of zinc von Martin, T.L., Hamm, F.M., Zeeman, P.B.

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Collimators for radio-isotope scanning von Lotter, M.G. & Zeeman, P.B.

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The quantitative spectrographic analysis of (Hf-Zr)O2 by means of the tape method von Naudé, W.J., Zeeman, P.B.

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