|
***Hydrox:
Hydrogen has been used successfully in extremely deep dives (500 meters and
more) with helium and oxygen. The COMEX (France) have studied the effects on
divers of exposure to hydrogen-helium-oxygen at chamber depths to 2300 feet
(701 m) (performed in 1992, test name: "HYDRA 10"), 1706 feet (520m) and in
the ocean 1752 feet / 534m (performed in 1988, test name: "HYDRA 8"). The
mixture of these three gases is called hydreliox. Logically, it
doesn't really have any benefits to diving with open circuit SCUBA equipment
(since it's not very good idea to dive to such depths, mentioned above, with
OC...). More about COMEX:
http://www.comex.fr/
Hydrogen has also been used together with oxygen (hydrox), but this
mixture is very explosive, if the percentage of oxygen is more than 4-5%.
For this reason it's not possible to breathe this mix above 30 meters to
avoid hypoxia.
source:http://www.techdiver.ws/
|
