Evaluation of Single Column Trapping/Separation and Chemiluminescence Detection for Measurement of Methanethiol and Dimethyl Sulfide from Pig Production

Table 1

Concentration levels (ppb_𝑣) for gas mixtures used for investigating linearity, trapping efficiency, and interferences between compounds for single column trapping/separation and chemiluminescence detection (SCTS-CL).

Gas mixture	1a	2b	3c	4d
Hydrogen sulfide	—	—	—	50–300
Methanethiol	1–21	10	—	10
Dimethyl sulfide	1–21	—	10	10

^aDilutions of gas standards with 100 ppm_𝑣 methanethiol (Taiyo Nippon Sanso, Tokyo, Japan) and 100 ppm_𝑣 dimethyl sulfide (Sumitomo Seika Chemicals, Osaka, Japan); ^bDilution of a gas standard with 5 ppm_𝑣 methanethiol (Air liquide, Horsens, Denmark); ^cDilution of a gas standard with 5 ppm_𝑣 dimethyl sulfide (Air liquide, Horsens, Denmark); ^dDilutions of gas standards with 5 ppm_𝑣 hydrogen sulfide, methanethiol, and dimethyl sulfide (Air liquide, Horsens, Denmark) and 5 ppm_𝑣 hydrogen sulfide (Air liquide, Horsens, Denmark).