Analysis Organic Sulfurs by A Pre Concentration Method (Paper Title)

摘要

A study focusing on the analysis of organic sulfur compounds together with hydrogen sulfur in some odor environmental gases based on a pre concentration method (USEPA TO-15 method) with a canister sample connection. The identification and quantization based on GC/MS data base has been set. The linear calibration, replicates, MDL, blank and stability data has been found. A discussion on method limitation, liability and application range also been addressed. The results shows that the developed method can be used for analyzing the concentration of most organic sulfur compounds such as methyl mercapton, dimethyl sulfide, carbon disulfide, dimethyl disulfide mixed with hydrogen sulfide. The detection limit for some compounds can be as low as sun ppb level. Both analytical precision and accuracy are satisfied based state of art instruments and technologies.