2024-01-11
The main components of the autosampler are the injection needle, needle seat seal, injection valve and syringe. If maintenance is improper or not timely, the injection needle will easily bend and produce burrs, and the needle seat and injection valve will leak and become clogged, resulting in abnormalities such as ghost peaks, residual peak reproducibility, and insufficient quantitative analysis reproducibility. The syringe will produce bubbles, resulting in inaccurate injection. Therefore, ...