Estimated hydrogen sulfide concentration |
Sample reference dosage ml | |
Volume fraction % | Concentration mg/m3 | |
<0.0005 | <7.2 | 150000 |
0.0005~0.001 | 7.2~14.3 | 100000 |
0.001~0.002 | 14.3~28.7 | 50000 |
0.002~0.005 | 28.7~71.7 | 30000 |
0.005~0.01 | 71.7~143 | 15000 |
0.01~0.02 | 143~287 | 8000 |
0.02~0.1 | 287~1430 | 5000 |
0.1~0.2 | 2500 | |
0.2~0.5 | 1000 | |
0.5~1 | 500 | |
1~2 | 250 | |
2~5 | 100 | |
5~10 | 50 | |
10~20 | 25 | |
20~50 | 10 | |
50~100 | 5 |