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Hi Folks Just completed my Nitrox course and a little concept has me confused. STATMENT By using nitrox to dive you calculate you Nitrogen absorbsion using the EAD concept. This means that you are saying that Nitrigen uptake is controled by the partial pressure of the gasses involved. Ok I have no problem with that STATMENT TWO By using nitrox on decompression stops you offgas at a greater rate. This means that you are relying on the reduced partial pressure to remove more nitrigen at a faster rate Again , no problem except.... When you shift to nitrx on the decompression stop are you not, as far as partial pressure of nitrogen is concerned actually at a shallower depth and may have just exceeded you decomperssion ceiling.Could this not cause DCS by causing too much nitrogen release. Maby it is my misunderstanding but it appears to me that you are using relative pressures for a nitrox dive but absolute for decompression diving. Thanks Terry -- ******************************************************************** Terry McCracken GEC ALSTHOM Information Technology Software Support Engineer Ph: 61 2 415 0509 terrym@ns*.co*.au* Fax: 61 2 417 8635
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