Hydrogen seems to me as an great gas to use as Nitrogen substitute, cheap= , no narcotic effect and similar to Helium in decompression. All for one thing, you can only have max 4% Oxygen in the mix or it will = be too explosive and might selfcompust. With only 4% O2 it will make it a very deep mix and probably out of most = divers alternatives for mixes. Now I was wondering if you could use some other gas to raise the oxygen p= ercentage in the mix without making it totaly unsafe to handle and use. Im not the best when it comes to chemistry but cant you some how bind the= H2 molecyles with an other gas? If anyone have a clue please tell me! Alexander ---------------------------- alexander.kaaling@ne*.se* ----------------------------=20
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