X-ray or gamma ray systems or devices – Specific application – Fluorescence
Patent
1995-11-07
1997-01-28
Wong, Don
X-ray or gamma ray systems or devices
Specific application
Fluorescence
378 45, 378 47, G01N 23223
Patent
active
055984517
ABSTRACT:
An apparatus for measuring the Sulfur component contained in oil includes an X-ray tube having a target made of Titanium or Scandium, a filter made of Titanium or Scandium for filtering said X-ray radiated from the X-ray tube, a measurement cell for introducing a sample to be measured therein, and a detector for detecting fluorescent X-rays radiated from the sample. According to the invention, the X-ray tube has a target made of Titanium or Scandium and the X-rays generated from the X-ray tube are filtered by the filter, which is made of Titanium or Scandium, so that the background of the X-rays for the measurement against the fluorescent X-rays of the Sulfur is reduced and therefore even a small amount of Sulfur contained in the sample can be correctly detected.
REFERENCES:
patent: 4037099 (1977-07-01), Oda et al.
patent: 4577338 (1986-03-01), Takahashi et al.
patent: 5107527 (1992-04-01), Heikki et al.
F. S. Goulding and J. M. Jaklevic, "XRF Analysis--Some Sensitivity Comparisons Between Charged-Particle and Photon Excitation", Nuclear Instruments And Methods, pp. 323-332, 1977.
Hashizume Yukio
Husimi Kazuo
Kuwata Masahiko
Ohno Kazunaga
Bach Klaus J.
DKK Corporation
Wong Don
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