Efficient liquid-phase chromatograph and thin-layer chromatograph radioactive isotope detecting instrument
A radioactive isotope and high-performance liquid chromatography technology, applied in the direction of instruments, scientific instruments, measuring devices, etc., can solve the problems of inconvenient operation, low sensitivity, low resolution, and large human error, and achieve convenient operation, high sensitivity and resolution rate effect
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[0012] Such as figure 1 As shown, the high-performance liquid chromatography and thin-layer chromatography radioisotope detection instrument includes a detector that is supplied with DC high voltage by a high-voltage circuit. The detector is connected to an amplification and shaping circuit composed of a linear pulse amplifier and a CR-RC shaping circuit. The pulse amplitude analyzer is connected to the integral amplifier controlled by the single-chip microcomputer. The integral amplifier integrates and amplifies the pulse output by the pulse amplitude analyzer, and outputs a proportional linear voltage signal to realize frequency-voltage conversion.
[0013] Such as image 3 As shown, the detector 1 is placed inside the lead shields 2 and 3, the bottom of the lead shield 2 is provided with a crack 5, and the crack 5 is aligned with the liquid supply pipeline 4, so that rays can pass through the crack 5 and enter the detector 1. The present invention adopts multi-detector com...
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