Method and apparatus for multiple sample preparation and simultaneous loss on ignition/gain on ignition analysis, for use in X-ray fluorescence spectrometry
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United States of America Patent
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Jan 17, 2017
Grant Date -
Jan 14, 2016
app pub date -
Sep 22, 2015
filing date -
Dec 12, 2012
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Abstract
The analyzer mixes the material to be analyzed and the flux in sample holders supported by a moveable platform within the furnace. A tilt member is provided having multiple stations. Each station has an upstanding pin offset from the center point of the station in a different direction. The platform is indexed relative to the tilt member such that the sample holder aligns with each station, in sequence. As the sample holder aligns with each station, the platform is moved toward the tilt member such that the pin of the aligned station abuts and tilts the sample holder in a different direction. The repeated tilting of the sample holder in different directions mixes the material and flux. The contents of the sample holder may also be agitated by rapidly moving the platform back and forth with sudden stops. The analyzer can be used with a special sample holder.
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