An improved power supply for the magnet in a.c. modulated Zeeman atomic absorption spectrometry |
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| Authors: | JWM van Uffelen MTC de Loos-Vollebregt L de Galan |
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| Institution: | Laboratorium voor Magnetische Techniek, Afdeling Elektrotechniek, Technische Hogeschool Delft, 2600 GA Delft, The Netherlands;Laboratorium voor Analytische Scheikunde, Technische Hogeschool Delft, 2600 GA Delft, The Netherlands |
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| Abstract: | This note describes a simple power supply for a magnet to be used in a.c. ZAA spectrometry. The modified sine wave shape of the 50 Hz 10 kG magnetic field allows a 0.5 ms period at zero field to perform the zero field intensity measurement. At lower maximum field strength, the zero field period can be extended. |
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