Hydrogen
sulfide (H2S)
Malicious/very
malicious
Environmentally
hazardous
easily
inflammatory
|
Poisonous with organisms |

The poison effect is based to
|
Effect: |
|
|
|
starting from 20 |
ppm |
during longer lasting effect: noxious for the cornea |
|
around 100 |
ppm |
attraction feeling at the mucous membranes of the eye and the respiratory system, salivation, cough stimulus |
|
> 200 |
ppm |
breath complaints, headache |
|
> 300 |
ppm |
nausea |
|
around 500 |
ppm |
powerlessness, behaviourness, swindle |
|
> 500 |
ppm |
cramps, unconsciousness |
|
|
|
|
|
Toxic symptoms: |
|
|
|
< 100 |
ppm |
after several hours of impact time |
|
> 100 |
ppm |
within one hour |
|
with 500 |
ppm |
lethal in 30 min |
|
at 1000 |
ppm |
in few minutes |
|
with 5000 |
ppm |
deadly in few seconds |
|
|
More details is in the instruction card to the UC NR. 1202: Illnesses by hydrogen sulfide describes. |
|
|
Damage limit value with plants |
approx. 10 mg/m³ with wood
effect in the plant: Slackening the sheets, color remains, sheets dries up.
