1. First, turn off the chromatograph, and turn off the injector, pump and detector in sequence. Completely drain the solution in the injector and rinse it with pure water until no solution comes out of the injector. flow out of the sample container.
2. Secondly, flush the pump with pure water, open the cleaning valve of the pump and flush it with pure water. At the same time, open the detector and flush it with pure water until the detector reads zero.
3. Finally, turn off the detector, flush the injector and pump again with pure water, close all valves, and flush the entire chromatograph with pure water until all pipes and connections are Be rinsed clean.