Ion chromatography current always jumps.

The current jump in ion chromatograph may be caused by many reasons. Here are some possible reasons and solutions:

1. ammeter problem: check whether the ammeter connection is stable and eliminate the possibility of ammeter failure. If there is something wrong with the galvanometer, it may need to be recalibrated or replaced.

2. Unstable pump flow: Check whether the pump of ion chromatograph works normally. If the pump flow is unstable, it may be necessary to clean or replace the parts of the pump.

3. Column problem: Check whether the ion exchange column of the ion chromatograph is clean and the column pressure is normal. If the chromatographic column is too old or contaminated, it may need to be replaced.

4. Sample problem: Some samples may adversely affect the performance of the ion chromatograph. Try using a different sample or changing the concentration of the sample. If the problem only occurs in a specific sample, it may be necessary to further investigate the composition of the sample.

5. Temperature problem: Some ion chromatographs need a specific temperature to work normally. Ensure that the temperature of the instrument is stable within an appropriate range.

6. Noise interference: Check whether the power supply and signal line of the ion chromatograph are interfered by other electronic equipment. Separating the ion chromatograph from other equipment can reduce interference.

If the problem still exists, it is recommended to contact the ion chromatograph manufacturer or technical support team for help. They may provide more specific solutions or arrange maintenance.