Ion chromatograph -double anode electrochemical hydride generation atomic fluorescent on-line combined system
A hydride generation and hydride generator technology, applied in the field of combined systems of chemical analysis instruments, can solve the problems of high operating cost, long equilibration period of quadrupole ICPMS, high price, etc., and achieve the effect of high sensitivity
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[0013] As shown in Figure 1, the mobile phase 1 is delivered by the liquid chromatography pump 2, the sample to be analyzed is quantitatively injected by the injection valve 3, and the components separated by the chromatographic column 4 are separated by the double anode electrochemical hydride generator and the cathode tee. One of the inlets of the input interface 5 enters the cathode area, while the catholyte 6 is transported through the peristaltic pump 15 to the other inlet of the cathode three-way input interface to enter the cathode area, and the anolyte 19 is transported to the anolyte input through the peristaltic pump 20 Ports 17, 17' enter the anode area, and return to the anolyte 19 from the anolyte output ports 18, 18' to be recycled or discharged to the waste bottle 16, and the chromatographically separated components are in the double anode electrochemical hydride generator The cathode area is reduced to gaseous hydride, and the generated gaseous hydride and catholyt...
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