Optics: measuring and testing – By dispersed light spectroscopy – With background radiation comparison
Patent
1991-03-14
1992-04-21
Evans, F. L.
Optics: measuring and testing
By dispersed light spectroscopy
With background radiation comparison
356312, 356315, G01N 2172, G01N 2174
Patent
active
051061899
ABSTRACT:
A Zeeman atomic spectrophotometer comprising a sample heating means for atomizing a sample, a means for applying a magnetic flux to the atomized sample and a ceramic film coated on at least tips of pole pieces which are disposed facing the heated sample. As the tips of the pole pieces are coated with a ceramic film, the measuring accuracy of the Zeeman atomic absorption spectrophotometer becomes high and stable over a very long term.
REFERENCES:
patent: 5015093 (1991-05-01), Rogasch
Moriya Kazuo
Taira Susumu
Evans F. L.
Hitachi , Ltd.
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