Portable Sewage Druge Concentrator ca謝林n be used in sewage monitoring and tr自器aceability work. In the process of samp們她le processing, the flow rate of vari些匠ous solutions through the column is 開器automatically controlled, and歌中 it has functions such as 對土negative pressure elution, continuous i志到njection of large volum花房es, and automatic enrichment. 也書Ensure the recovery and purity of targe廠什t analytes, reduce relat員舊ive deviation, and avoid c可花ross-contamination between水低 samples. The enrich飛看ment results can be us國說ed for test strip detectio上房n, and the equipment is拍作 easy to operate and maintain.