Atomic absorption spectrophotometer and analyzing method

Details Atomic absorption spectrophotometer and analyzing method Atomic absorption spectrophotometer and analyzing method

1989-02-28

1992-04-14

Evans, F. L.

Optics: measuring and testing

By dispersed light spectroscopy

With background radiation comparison

356312, 356319, G01J 342, G01N 2174

Patent

active

051042207

ABSTRACT:
An atomic absorption spectrophotometer comprising means for setting the ashing temperature for that of the element having the lowest ashing temperature; means for setting the atomizing temperature for that of the element having the highest atomizing temperature; and means for effecting background correction utilizing Zeeman effect.

REFERENCES:
patent: 4008963 (1977-02-01), Huber et al.
patent: 4341470 (1982-07-01), Parker et al.
"Backround-Corrected Simultaneous Multielement Atomic Absorption Spectrometer", Harnly et al., Analytical Chemistry, vol. 51, #12, Oct. 1979, pp. 2007-2014.
"Atomic Absorption Spectrophotometric Determination of Antimony, Arsenic, Bismuth . . . " Kempton et al., Talante, vol. 29, #8, Aug. 1982, pp. 675-681.
"Atomic-Absorption Determination of Carbide-Forming Elements . . . "L'vovetal, Kalinin Polytechnical Inst., Trans; Zavoskaya Laboratories, vol. 44, #2, Feb. 1978, pp. 173-176.
"Preliminary Investigation of the Flame Resonance Spectrometer Used in a Graphite Furnace", Loon et al., Atomic Absorption Newsletter, vol. 15, #3, May-Jun. 1976, pp. 61-63.
"A Multichannel Spectrometer for Simultaneous Atomic Absorption and Flame Analysis", Mavrodineau et al., Applied Optics, vol. 7, #7, Jul. .multidot.68, pp. 1281-1285.
"Simultaneous Determination of Manganese, Colbalt, and Copper with Computer Controlled . . . " Lundberg et al., Analytical Chemistry, vol. 48, #13, Nov. 1976, pp. 1922-1926.
"New Directions in Optical Atomic Spectrometry," Galan, Analytical Chemistry, vol. 58, #6, May 1986, pp. 697A-707A.

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