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X-RAY FLUORESCENCE ANALYZER WITH A PLURALITY OF MEASUREMENT CHANNELS, AND A METHOD FOR PERFORMING X-RAY FLUORESCENCE ANALYSIS
X-RAY FLUORESCENCE ANALYZER WITH A PLURALITY OF MEASUREMENT CHANNELS, AND A METHOD FOR PERFORMING X-RAY FLUORESCENCE ANALYSIS
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机译:具有多个测量通道的X射线荧光分析仪以及进行X射线荧光分析的方法
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摘要
An X-ray fluorescence analyzer comprises an X-ray tube (402) for emitting incident X-rays (206) in the direction of a first optical axis (204). A slurry handling unit (201) is configured to maintain a constant distance between a sample (202) of slurry and said X-ray tube. A first crystal diffractor (601, 1501) is located in a first direction from said slurry handling unit (201). It comprises a first crystal (603, 1502) and a first radiation detector (602, 1505) configured to detect fluorescent X-rays diffracted by said first crystal (603, 1502) at a first energy resolution. A second crystal diffractor (1511) is located in a second direction from said slurry handling unit (201). It comprises a second crystal (1512) and a second radiation detector (1515) configured to detect fluorescent X-rays diffracted by said second crystal (1512) at a second energy resolution. Said first crystal (603, 1502) is a pyrolytic graphite crystal, said second crystal (1512) is of a material other than pyrolytic graphite, and said first and second crystal diffractors are configured to direct to their respective radiation detectors characteristic fluorescent radiation of a same element.
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